Home / 28,411.79-42,563.10-15,893.85

Finding the Fourth Proportional to 28,411.79, 42,563.10 and 15,893.85

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Solution

The fourth proportional to 28,411.79, 42,563.10 and 15,893.85 is: 23,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.79 : 42,563.10 = 15,893.85 : x
  2. Step 2: Convert to fraction form
    28,411.79/42,563.10 = 15,893.85/x
  3. Step 3: Cross multiply
    28,411.79x = 42,563.10 × 15,893.85
  4. Step 4: Simplify right side
    28,411.79x = 676,491,252.92
  5. Step 5: Solve for x
    x = 676,491,252.92/28,411.79
  6. Step 6: Final answer
    x = 23,810.23

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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.