Home / 26,166.60-39,160.30-15,785.80

Finding the Fourth Proportional to 26,166.60, 39,160.30 and 15,785.80

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Solution

The fourth proportional to 26,166.60, 39,160.30 and 15,785.80 is: 23,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.60 : 39,160.30 = 15,785.80 : x
  2. Step 2: Convert to fraction form
    26,166.60/39,160.30 = 15,785.80/x
  3. Step 3: Cross multiply
    26,166.60x = 39,160.30 × 15,785.80
  4. Step 4: Simplify right side
    26,166.60x = 618,176,663.74
  5. Step 5: Solve for x
    x = 618,176,663.74/26,166.60
  6. Step 6: Final answer
    x = 23,624.65

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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.