Home / 28,338.54-39,107.01-15,592.50

Finding the Fourth Proportional to 28,338.54, 39,107.01 and 15,592.50

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Solution

The fourth proportional to 28,338.54, 39,107.01 and 15,592.50 is: 21,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.54 : 39,107.01 = 15,592.50 : x
  2. Step 2: Convert to fraction form
    28,338.54/39,107.01 = 15,592.50/x
  3. Step 3: Cross multiply
    28,338.54x = 39,107.01 × 15,592.50
  4. Step 4: Simplify right side
    28,338.54x = 609,776,053.43
  5. Step 5: Solve for x
    x = 609,776,053.43/28,338.54
  6. Step 6: Final answer
    x = 21,517.55

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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.