Home / 28,925.08-43,385.78-9,217.78

Finding the Fourth Proportional to 28,925.08, 43,385.78 and 9,217.78

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Solution

The fourth proportional to 28,925.08, 43,385.78 and 9,217.78 is: 13,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.08 : 43,385.78 = 9,217.78 : x
  2. Step 2: Convert to fraction form
    28,925.08/43,385.78 = 9,217.78/x
  3. Step 3: Cross multiply
    28,925.08x = 43,385.78 × 9,217.78
  4. Step 4: Simplify right side
    28,925.08x = 399,920,575.17
  5. Step 5: Solve for x
    x = 399,920,575.17/28,925.08
  6. Step 6: Final answer
    x = 13,826.08

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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.