Home / 25,513.52-38,259.95-8,870.04

Finding the Fourth Proportional to 25,513.52, 38,259.95 and 8,870.04

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Solution

The fourth proportional to 25,513.52, 38,259.95 and 8,870.04 is: 13,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.52 : 38,259.95 = 8,870.04 : x
  2. Step 2: Convert to fraction form
    25,513.52/38,259.95 = 8,870.04/x
  3. Step 3: Cross multiply
    25,513.52x = 38,259.95 × 8,870.04
  4. Step 4: Simplify right side
    25,513.52x = 339,367,242.55
  5. Step 5: Solve for x
    x = 339,367,242.55/25,513.52
  6. Step 6: Final answer
    x = 13,301.47

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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.