Home / 24,985.12-34,479.90-14,911.61

Finding the Fourth Proportional to 24,985.12, 34,479.90 and 14,911.61

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Solution

The fourth proportional to 24,985.12, 34,479.90 and 14,911.61 is: 20,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.12 : 34,479.90 = 14,911.61 : x
  2. Step 2: Convert to fraction form
    24,985.12/34,479.90 = 14,911.61/x
  3. Step 3: Cross multiply
    24,985.12x = 34,479.90 × 14,911.61
  4. Step 4: Simplify right side
    24,985.12x = 514,150,821.64
  5. Step 5: Solve for x
    x = 514,150,821.64/24,985.12
  6. Step 6: Final answer
    x = 20,578.28

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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.