Home / 25,851.97-38,778.12-14,158.81

Finding the Fourth Proportional to 25,851.97, 38,778.12 and 14,158.81

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Solution

The fourth proportional to 25,851.97, 38,778.12 and 14,158.81 is: 21,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.97 : 38,778.12 = 14,158.81 : x
  2. Step 2: Convert to fraction form
    25,851.97/38,778.12 = 14,158.81/x
  3. Step 3: Cross multiply
    25,851.97x = 38,778.12 × 14,158.81
  4. Step 4: Simplify right side
    25,851.97x = 549,052,033.24
  5. Step 5: Solve for x
    x = 549,052,033.24/25,851.97
  6. Step 6: Final answer
    x = 21,238.31

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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.