Home / 25,618.02-35,351.78-18,901.23

Finding the Fourth Proportional to 25,618.02, 35,351.78 and 18,901.23

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Solution

The fourth proportional to 25,618.02, 35,351.78 and 18,901.23 is: 26,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.02 : 35,351.78 = 18,901.23 : x
  2. Step 2: Convert to fraction form
    25,618.02/35,351.78 = 18,901.23/x
  3. Step 3: Cross multiply
    25,618.02x = 35,351.78 × 18,901.23
  4. Step 4: Simplify right side
    25,618.02x = 668,192,030.18
  5. Step 5: Solve for x
    x = 668,192,030.18/25,618.02
  6. Step 6: Final answer
    x = 26,082.89

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.