Home / 38,727.86-58,079.63-12,426.75

Finding the Fourth Proportional to 38,727.86, 58,079.63 and 12,426.75

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Solution

The fourth proportional to 38,727.86, 58,079.63 and 12,426.75 is: 18,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.86 : 58,079.63 = 12,426.75 : x
  2. Step 2: Convert to fraction form
    38,727.86/58,079.63 = 12,426.75/x
  3. Step 3: Cross multiply
    38,727.86x = 58,079.63 × 12,426.75
  4. Step 4: Simplify right side
    38,727.86x = 721,741,073.17
  5. Step 5: Solve for x
    x = 721,741,073.17/38,727.86
  6. Step 6: Final answer
    x = 18,636.23

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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.