Home / 28,952.82-39,948-17,622.20

Finding the Fourth Proportional to 28,952.82, 39,948 and 17,622.20

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Solution

The fourth proportional to 28,952.82, 39,948 and 17,622.20 is: 24,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.82 : 39,948 = 17,622.20 : x
  2. Step 2: Convert to fraction form
    28,952.82/39,948 = 17,622.20/x
  3. Step 3: Cross multiply
    28,952.82x = 39,948 × 17,622.20
  4. Step 4: Simplify right side
    28,952.82x = 703,971,445.86
  5. Step 5: Solve for x
    x = 703,971,445.86/28,952.82
  6. Step 6: Final answer
    x = 24,314.43

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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.