Home / 40,287.38-60,415.32-15,314.18

Finding the Fourth Proportional to 40,287.38, 60,415.32 and 15,314.18

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Solution

The fourth proportional to 40,287.38, 60,415.32 and 15,314.18 is: 22,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.38 : 60,415.32 = 15,314.18 : x
  2. Step 2: Convert to fraction form
    40,287.38/60,415.32 = 15,314.18/x
  3. Step 3: Cross multiply
    40,287.38x = 60,415.32 × 15,314.18
  4. Step 4: Simplify right side
    40,287.38x = 925,211,085.24
  5. Step 5: Solve for x
    x = 925,211,085.24/40,287.38
  6. Step 6: Final answer
    x = 22,965.28

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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.