Home / 28,630.64-39,464.58-22,571

Finding the Fourth Proportional to 28,630.64, 39,464.58 and 22,571

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Solution

The fourth proportional to 28,630.64, 39,464.58 and 22,571 is: 31,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.64 : 39,464.58 = 22,571 : x
  2. Step 2: Convert to fraction form
    28,630.64/39,464.58 = 22,571/x
  3. Step 3: Cross multiply
    28,630.64x = 39,464.58 × 22,571
  4. Step 4: Simplify right side
    28,630.64x = 890,755,035.18
  5. Step 5: Solve for x
    x = 890,755,035.18/28,630.64
  6. Step 6: Final answer
    x = 31,111.95

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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.