Home / 25,723.01-38,557.19-12,387.69

Finding the Fourth Proportional to 25,723.01, 38,557.19 and 12,387.69

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Solution

The fourth proportional to 25,723.01, 38,557.19 and 12,387.69 is: 18,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.01 : 38,557.19 = 12,387.69 : x
  2. Step 2: Convert to fraction form
    25,723.01/38,557.19 = 12,387.69/x
  3. Step 3: Cross multiply
    25,723.01x = 38,557.19 × 12,387.69
  4. Step 4: Simplify right side
    25,723.01x = 477,634,455.05
  5. Step 5: Solve for x
    x = 477,634,455.05/25,723.01
  6. Step 6: Final answer
    x = 18,568.38

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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.