Home / 28,840.12-39,799.14-15,592.12

Finding the Fourth Proportional to 28,840.12, 39,799.14 and 15,592.12

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Solution

The fourth proportional to 28,840.12, 39,799.14 and 15,592.12 is: 21,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.12 : 39,799.14 = 15,592.12 : x
  2. Step 2: Convert to fraction form
    28,840.12/39,799.14 = 15,592.12/x
  3. Step 3: Cross multiply
    28,840.12x = 39,799.14 × 15,592.12
  4. Step 4: Simplify right side
    28,840.12x = 620,552,966.78
  5. Step 5: Solve for x
    x = 620,552,966.78/28,840.12
  6. Step 6: Final answer
    x = 21,517.00

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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.