Home / 16,385.64-24,612.06-15,589.12

Finding the Fourth Proportional to 16,385.64, 24,612.06 and 15,589.12

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Solution

The fourth proportional to 16,385.64, 24,612.06 and 15,589.12 is: 23,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.64 : 24,612.06 = 15,589.12 : x
  2. Step 2: Convert to fraction form
    16,385.64/24,612.06 = 15,589.12/x
  3. Step 3: Cross multiply
    16,385.64x = 24,612.06 × 15,589.12
  4. Step 4: Simplify right side
    16,385.64x = 383,680,356.79
  5. Step 5: Solve for x
    x = 383,680,356.79/16,385.64
  6. Step 6: Final answer
    x = 23,415.65

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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.