Home / 28,665.46-39,577.07-18,622.52

Finding the Fourth Proportional to 28,665.46, 39,577.07 and 18,622.52

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Solution

The fourth proportional to 28,665.46, 39,577.07 and 18,622.52 is: 25,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.46 : 39,577.07 = 18,622.52 : x
  2. Step 2: Convert to fraction form
    28,665.46/39,577.07 = 18,622.52/x
  3. Step 3: Cross multiply
    28,665.46x = 39,577.07 × 18,622.52
  4. Step 4: Simplify right side
    28,665.46x = 737,024,659.77
  5. Step 5: Solve for x
    x = 737,024,659.77/28,665.46
  6. Step 6: Final answer
    x = 25,711.25

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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.