Home / 19,475.78-26,862.17-14,440.28

Finding the Fourth Proportional to 19,475.78, 26,862.17 and 14,440.28

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Solution

The fourth proportional to 19,475.78, 26,862.17 and 14,440.28 is: 19,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.78 : 26,862.17 = 14,440.28 : x
  2. Step 2: Convert to fraction form
    19,475.78/26,862.17 = 14,440.28/x
  3. Step 3: Cross multiply
    19,475.78x = 26,862.17 × 14,440.28
  4. Step 4: Simplify right side
    19,475.78x = 387,897,049.70
  5. Step 5: Solve for x
    x = 387,897,049.70/19,475.78
  6. Step 6: Final answer
    x = 19,916.90

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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.