Home / 25,854.18-38,784.57-9,215.89

Finding the Fourth Proportional to 25,854.18, 38,784.57 and 9,215.89

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Solution

The fourth proportional to 25,854.18, 38,784.57 and 9,215.89 is: 13,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.18 : 38,784.57 = 9,215.89 : x
  2. Step 2: Convert to fraction form
    25,854.18/38,784.57 = 9,215.89/x
  3. Step 3: Cross multiply
    25,854.18x = 38,784.57 × 9,215.89
  4. Step 4: Simplify right side
    25,854.18x = 357,434,330.82
  5. Step 5: Solve for x
    x = 357,434,330.82/25,854.18
  6. Step 6: Final answer
    x = 13,825.01

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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.