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Finding the Fourth Proportional to 42,893.92, 59,205.20 and 25,898.48

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Solution

The fourth proportional to 42,893.92, 59,205.20 and 25,898.48 is: 35,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.92 : 59,205.20 = 25,898.48 : x
  2. Step 2: Convert to fraction form
    42,893.92/59,205.20 = 25,898.48/x
  3. Step 3: Cross multiply
    42,893.92x = 59,205.20 × 25,898.48
  4. Step 4: Simplify right side
    42,893.92x = 1,533,324,688.10
  5. Step 5: Solve for x
    x = 1,533,324,688.10/42,893.92
  6. Step 6: Final answer
    x = 35,746.90

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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.