Home / 26,202.71-36,159.18-15,302.73

Finding the Fourth Proportional to 26,202.71, 36,159.18 and 15,302.73

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Solution

The fourth proportional to 26,202.71, 36,159.18 and 15,302.73 is: 21,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.71 : 36,159.18 = 15,302.73 : x
  2. Step 2: Convert to fraction form
    26,202.71/36,159.18 = 15,302.73/x
  3. Step 3: Cross multiply
    26,202.71x = 36,159.18 × 15,302.73
  4. Step 4: Simplify right side
    26,202.71x = 553,333,933.85
  5. Step 5: Solve for x
    x = 553,333,933.85/26,202.71
  6. Step 6: Final answer
    x = 21,117.43

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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.