Home / 25,718.78-38,538.48-17,366.06

Finding the Fourth Proportional to 25,718.78, 38,538.48 and 17,366.06

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Solution

The fourth proportional to 25,718.78, 38,538.48 and 17,366.06 is: 26,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.78 : 38,538.48 = 17,366.06 : x
  2. Step 2: Convert to fraction form
    25,718.78/38,538.48 = 17,366.06/x
  3. Step 3: Cross multiply
    25,718.78x = 38,538.48 × 17,366.06
  4. Step 4: Simplify right side
    25,718.78x = 669,261,555.99
  5. Step 5: Solve for x
    x = 669,261,555.99/25,718.78
  6. Step 6: Final answer
    x = 26,022.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.