Home / 25,129.90-34,667.28-15,053.50

Finding the Fourth Proportional to 25,129.90, 34,667.28 and 15,053.50

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Solution

The fourth proportional to 25,129.90, 34,667.28 and 15,053.50 is: 20,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.90 : 34,667.28 = 15,053.50 : x
  2. Step 2: Convert to fraction form
    25,129.90/34,667.28 = 15,053.50/x
  3. Step 3: Cross multiply
    25,129.90x = 34,667.28 × 15,053.50
  4. Step 4: Simplify right side
    25,129.90x = 521,863,899.48
  5. Step 5: Solve for x
    x = 521,863,899.48/25,129.90
  6. Step 6: Final answer
    x = 20,766.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.