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Finding the Fourth Proportional to 29,428.71, 44,129.19 and 10,695.54

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Solution

The fourth proportional to 29,428.71, 44,129.19 and 10,695.54 is: 16,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.71 : 44,129.19 = 10,695.54 : x
  2. Step 2: Convert to fraction form
    29,428.71/44,129.19 = 10,695.54/x
  3. Step 3: Cross multiply
    29,428.71x = 44,129.19 × 10,695.54
  4. Step 4: Simplify right side
    29,428.71x = 471,985,516.81
  5. Step 5: Solve for x
    x = 471,985,516.81/29,428.71
  6. Step 6: Final answer
    x = 16,038.27

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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.