Home / 28,514.04-39,350.87-17,187.13

Finding the Fourth Proportional to 28,514.04, 39,350.87 and 17,187.13

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Solution

The fourth proportional to 28,514.04, 39,350.87 and 17,187.13 is: 23,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.04 : 39,350.87 = 17,187.13 : x
  2. Step 2: Convert to fraction form
    28,514.04/39,350.87 = 17,187.13/x
  3. Step 3: Cross multiply
    28,514.04x = 39,350.87 × 17,187.13
  4. Step 4: Simplify right side
    28,514.04x = 676,328,518.30
  5. Step 5: Solve for x
    x = 676,328,518.30/28,514.04
  6. Step 6: Final answer
    x = 23,719.14

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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.