Home / 25,789.67-38,711.03-15,801.33

Finding the Fourth Proportional to 25,789.67, 38,711.03 and 15,801.33

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Solution

The fourth proportional to 25,789.67, 38,711.03 and 15,801.33 is: 23,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.67 : 38,711.03 = 15,801.33 : x
  2. Step 2: Convert to fraction form
    25,789.67/38,711.03 = 15,801.33/x
  3. Step 3: Cross multiply
    25,789.67x = 38,711.03 × 15,801.33
  4. Step 4: Simplify right side
    25,789.67x = 611,685,696.96
  5. Step 5: Solve for x
    x = 611,685,696.96/25,789.67
  6. Step 6: Final answer
    x = 23,718.24

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1.5x scale

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.