Home / 26,243.61-36,216.39-15,488.70

Finding the Fourth Proportional to 26,243.61, 36,216.39 and 15,488.70

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Solution

The fourth proportional to 26,243.61, 36,216.39 and 15,488.70 is: 21,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.61 : 36,216.39 = 15,488.70 : x
  2. Step 2: Convert to fraction form
    26,243.61/36,216.39 = 15,488.70/x
  3. Step 3: Cross multiply
    26,243.61x = 36,216.39 × 15,488.70
  4. Step 4: Simplify right side
    26,243.61x = 560,944,799.79
  5. Step 5: Solve for x
    x = 560,944,799.79/26,243.61
  6. Step 6: Final answer
    x = 21,374.53

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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.