Home / 28,444.12-39,252.61-15,697.42

Finding the Fourth Proportional to 28,444.12, 39,252.61 and 15,697.42

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Solution

The fourth proportional to 28,444.12, 39,252.61 and 15,697.42 is: 21,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.12 : 39,252.61 = 15,697.42 : x
  2. Step 2: Convert to fraction form
    28,444.12/39,252.61 = 15,697.42/x
  3. Step 3: Cross multiply
    28,444.12x = 39,252.61 × 15,697.42
  4. Step 4: Simplify right side
    28,444.12x = 616,164,705.27
  5. Step 5: Solve for x
    x = 616,164,705.27/28,444.12
  6. Step 6: Final answer
    x = 21,662.29

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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.