Home / 25,471.02-35,149.34-14,139.92

Finding the Fourth Proportional to 25,471.02, 35,149.34 and 14,139.92

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Solution

The fourth proportional to 25,471.02, 35,149.34 and 14,139.92 is: 19,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.02 : 35,149.34 = 14,139.92 : x
  2. Step 2: Convert to fraction form
    25,471.02/35,149.34 = 14,139.92/x
  3. Step 3: Cross multiply
    25,471.02x = 35,149.34 × 14,139.92
  4. Step 4: Simplify right side
    25,471.02x = 497,008,855.65
  5. Step 5: Solve for x
    x = 497,008,855.65/25,471.02
  6. Step 6: Final answer
    x = 19,512.72

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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.