Home / 23,397.77-32,288.85-12,787.40

Finding the Fourth Proportional to 23,397.77, 32,288.85 and 12,787.40

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Solution

The fourth proportional to 23,397.77, 32,288.85 and 12,787.40 is: 17,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.77 : 32,288.85 = 12,787.40 : x
  2. Step 2: Convert to fraction form
    23,397.77/32,288.85 = 12,787.40/x
  3. Step 3: Cross multiply
    23,397.77x = 32,288.85 × 12,787.40
  4. Step 4: Simplify right side
    23,397.77x = 412,890,440.49
  5. Step 5: Solve for x
    x = 412,890,440.49/23,397.77
  6. Step 6: Final answer
    x = 17,646.57

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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.