Home / 25,876.23-38,822.55-9,235.90

Finding the Fourth Proportional to 25,876.23, 38,822.55 and 9,235.90

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Solution

The fourth proportional to 25,876.23, 38,822.55 and 9,235.90 is: 13,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.23 : 38,822.55 = 9,235.90 : x
  2. Step 2: Convert to fraction form
    25,876.23/38,822.55 = 9,235.90/x
  3. Step 3: Cross multiply
    25,876.23x = 38,822.55 × 9,235.90
  4. Step 4: Simplify right side
    25,876.23x = 358,561,159.19
  5. Step 5: Solve for x
    x = 358,561,159.19/25,876.23
  6. Step 6: Final answer
    x = 13,856.77

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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.