Home / 25,384.49-35,049.08-20,376.26

Finding the Fourth Proportional to 25,384.49, 35,049.08 and 20,376.26

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Solution

The fourth proportional to 25,384.49, 35,049.08 and 20,376.26 is: 28,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.49 : 35,049.08 = 20,376.26 : x
  2. Step 2: Convert to fraction form
    25,384.49/35,049.08 = 20,376.26/x
  3. Step 3: Cross multiply
    25,384.49x = 35,049.08 × 20,376.26
  4. Step 4: Simplify right side
    25,384.49x = 714,169,064.96
  5. Step 5: Solve for x
    x = 714,169,064.96/25,384.49
  6. Step 6: Final answer
    x = 28,134.07

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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.