Home / 15,388.65-23,101.20-15,279.30

Finding the Fourth Proportional to 15,388.65, 23,101.20 and 15,279.30

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Solution

The fourth proportional to 15,388.65, 23,101.20 and 15,279.30 is: 22,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.65 : 23,101.20 = 15,279.30 : x
  2. Step 2: Convert to fraction form
    15,388.65/23,101.20 = 15,279.30/x
  3. Step 3: Cross multiply
    15,388.65x = 23,101.20 × 15,279.30
  4. Step 4: Simplify right side
    15,388.65x = 352,970,165.16
  5. Step 5: Solve for x
    x = 352,970,165.16/15,388.65
  6. Step 6: Final answer
    x = 22,937.05

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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.