Home / 28,098.02-42,167.76-13,306.91

Finding the Fourth Proportional to 28,098.02, 42,167.76 and 13,306.91

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Solution

The fourth proportional to 28,098.02, 42,167.76 and 13,306.91 is: 19,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.02 : 42,167.76 = 13,306.91 : x
  2. Step 2: Convert to fraction form
    28,098.02/42,167.76 = 13,306.91/x
  3. Step 3: Cross multiply
    28,098.02x = 42,167.76 × 13,306.91
  4. Step 4: Simplify right side
    28,098.02x = 561,122,587.22
  5. Step 5: Solve for x
    x = 561,122,587.22/28,098.02
  6. Step 6: Final answer
    x = 19,970.18

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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.