Home / 28,834.80-39,799.80-18,227.76

Finding the Fourth Proportional to 28,834.80, 39,799.80 and 18,227.76

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Solution

The fourth proportional to 28,834.80, 39,799.80 and 18,227.76 is: 25,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.80 : 39,799.80 = 18,227.76 : x
  2. Step 2: Convert to fraction form
    28,834.80/39,799.80 = 18,227.76/x
  3. Step 3: Cross multiply
    28,834.80x = 39,799.80 × 18,227.76
  4. Step 4: Simplify right side
    28,834.80x = 725,461,202.45
  5. Step 5: Solve for x
    x = 725,461,202.45/28,834.80
  6. Step 6: Final answer
    x = 25,159.22

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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.