Home / 28,291.18-42,445.99-13,498.19

Finding the Fourth Proportional to 28,291.18, 42,445.99 and 13,498.19

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Solution

The fourth proportional to 28,291.18, 42,445.99 and 13,498.19 is: 20,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.18 : 42,445.99 = 13,498.19 : x
  2. Step 2: Convert to fraction form
    28,291.18/42,445.99 = 13,498.19/x
  3. Step 3: Cross multiply
    28,291.18x = 42,445.99 × 13,498.19
  4. Step 4: Simplify right side
    28,291.18x = 572,944,037.76
  5. Step 5: Solve for x
    x = 572,944,037.76/28,291.18
  6. Step 6: Final answer
    x = 20,251.68

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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.