Home / 25,287.12-37,898.28-12,119.76

Finding the Fourth Proportional to 25,287.12, 37,898.28 and 12,119.76

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Solution

The fourth proportional to 25,287.12, 37,898.28 and 12,119.76 is: 18,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.12 : 37,898.28 = 12,119.76 : x
  2. Step 2: Convert to fraction form
    25,287.12/37,898.28 = 12,119.76/x
  3. Step 3: Cross multiply
    25,287.12x = 37,898.28 × 12,119.76
  4. Step 4: Simplify right side
    25,287.12x = 459,318,058.01
  5. Step 5: Solve for x
    x = 459,318,058.01/25,287.12
  6. Step 6: Final answer
    x = 18,164.11

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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.