Home / 25,162.80-37,754.45-12,686.42

Finding the Fourth Proportional to 25,162.80, 37,754.45 and 12,686.42

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Solution

The fourth proportional to 25,162.80, 37,754.45 and 12,686.42 is: 19,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.80 : 37,754.45 = 12,686.42 : x
  2. Step 2: Convert to fraction form
    25,162.80/37,754.45 = 12,686.42/x
  3. Step 3: Cross multiply
    25,162.80x = 37,754.45 × 12,686.42
  4. Step 4: Simplify right side
    25,162.80x = 478,968,557.36
  5. Step 5: Solve for x
    x = 478,968,557.36/25,162.80
  6. Step 6: Final answer
    x = 19,034.79

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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.