Home / 28,059.40-38,643.24-27,447.04

Finding the Fourth Proportional to 28,059.40, 38,643.24 and 27,447.04

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Solution

The fourth proportional to 28,059.40, 38,643.24 and 27,447.04 is: 37,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.40 : 38,643.24 = 27,447.04 : x
  2. Step 2: Convert to fraction form
    28,059.40/38,643.24 = 27,447.04/x
  3. Step 3: Cross multiply
    28,059.40x = 38,643.24 × 27,447.04
  4. Step 4: Simplify right side
    28,059.40x = 1,060,642,554.01
  5. Step 5: Solve for x
    x = 1,060,642,554.01/28,059.40
  6. Step 6: Final answer
    x = 37,799.90

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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.