Home / 25,422.18-38,125.62-9,621.93

Finding the Fourth Proportional to 25,422.18, 38,125.62 and 9,621.93

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Solution

The fourth proportional to 25,422.18, 38,125.62 and 9,621.93 is: 14,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.18 : 38,125.62 = 9,621.93 : x
  2. Step 2: Convert to fraction form
    25,422.18/38,125.62 = 9,621.93/x
  3. Step 3: Cross multiply
    25,422.18x = 38,125.62 × 9,621.93
  4. Step 4: Simplify right side
    25,422.18x = 366,842,046.85
  5. Step 5: Solve for x
    x = 366,842,046.85/25,422.18
  6. Step 6: Final answer
    x = 14,430.00

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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.