Home / 31,516.92-47,334.78-28,916.28

Finding the Fourth Proportional to 31,516.92, 47,334.78 and 28,916.28

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Solution

The fourth proportional to 31,516.92, 47,334.78 and 28,916.28 is: 43,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.92 : 47,334.78 = 28,916.28 : x
  2. Step 2: Convert to fraction form
    31,516.92/47,334.78 = 28,916.28/x
  3. Step 3: Cross multiply
    31,516.92x = 47,334.78 × 28,916.28
  4. Step 4: Simplify right side
    31,516.92x = 1,368,745,752.22
  5. Step 5: Solve for x
    x = 1,368,745,752.22/31,516.92
  6. Step 6: Final answer
    x = 43,428.92

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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.