Home / 26,805.17-36,990.42-15,474.28

Finding the Fourth Proportional to 26,805.17, 36,990.42 and 15,474.28

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Solution

The fourth proportional to 26,805.17, 36,990.42 and 15,474.28 is: 21,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.17 : 36,990.42 = 15,474.28 : x
  2. Step 2: Convert to fraction form
    26,805.17/36,990.42 = 15,474.28/x
  3. Step 3: Cross multiply
    26,805.17x = 36,990.42 × 15,474.28
  4. Step 4: Simplify right side
    26,805.17x = 572,400,148.13
  5. Step 5: Solve for x
    x = 572,400,148.13/26,805.17
  6. Step 6: Final answer
    x = 21,354.10

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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.