Home / 42,916.20-59,221.38-28,766.76

Finding the Fourth Proportional to 42,916.20, 59,221.38 and 28,766.76

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Solution

The fourth proportional to 42,916.20, 59,221.38 and 28,766.76 is: 39,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,916.20 : 59,221.38 = 28,766.76 : x
  2. Step 2: Convert to fraction form
    42,916.20/59,221.38 = 28,766.76/x
  3. Step 3: Cross multiply
    42,916.20x = 59,221.38 × 28,766.76
  4. Step 4: Simplify right side
    42,916.20x = 1,703,607,225.33
  5. Step 5: Solve for x
    x = 1,703,607,225.33/42,916.20
  6. Step 6: Final answer
    x = 39,696.13

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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.