Home / 25,869.00-35,708.98-15,117.38

Finding the Fourth Proportional to 25,869.00, 35,708.98 and 15,117.38

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Solution

The fourth proportional to 25,869.00, 35,708.98 and 15,117.38 is: 20,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.00 : 35,708.98 = 15,117.38 : x
  2. Step 2: Convert to fraction form
    25,869.00/35,708.98 = 15,117.38/x
  3. Step 3: Cross multiply
    25,869.00x = 35,708.98 × 15,117.38
  4. Step 4: Simplify right side
    25,869.00x = 539,826,065.79
  5. Step 5: Solve for x
    x = 539,826,065.79/25,869.00
  6. Step 6: Final answer
    x = 20,867.68

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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.