Home / 23,278.90-32,119.26-13,719.18

Finding the Fourth Proportional to 23,278.90, 32,119.26 and 13,719.18

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Solution

The fourth proportional to 23,278.90, 32,119.26 and 13,719.18 is: 18,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.90 : 32,119.26 = 13,719.18 : x
  2. Step 2: Convert to fraction form
    23,278.90/32,119.26 = 13,719.18/x
  3. Step 3: Cross multiply
    23,278.90x = 32,119.26 × 13,719.18
  4. Step 4: Simplify right side
    23,278.90x = 440,649,909.41
  5. Step 5: Solve for x
    x = 440,649,909.41/23,278.90
  6. Step 6: Final answer
    x = 18,929.16

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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.