Home / 25,769.52-35,567.91-15,162.57

Finding the Fourth Proportional to 25,769.52, 35,567.91 and 15,162.57

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Solution

The fourth proportional to 25,769.52, 35,567.91 and 15,162.57 is: 20,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.52 : 35,567.91 = 15,162.57 : x
  2. Step 2: Convert to fraction form
    25,769.52/35,567.91 = 15,162.57/x
  3. Step 3: Cross multiply
    25,769.52x = 35,567.91 × 15,162.57
  4. Step 4: Simplify right side
    25,769.52x = 539,300,925.13
  5. Step 5: Solve for x
    x = 539,300,925.13/25,769.52
  6. Step 6: Final answer
    x = 20,927.86

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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.