Home / 28,943.55-39,931.65-17,609.42

Finding the Fourth Proportional to 28,943.55, 39,931.65 and 17,609.42

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Solution

The fourth proportional to 28,943.55, 39,931.65 and 17,609.42 is: 24,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.55 : 39,931.65 = 17,609.42 : x
  2. Step 2: Convert to fraction form
    28,943.55/39,931.65 = 17,609.42/x
  3. Step 3: Cross multiply
    28,943.55x = 39,931.65 × 17,609.42
  4. Step 4: Simplify right side
    28,943.55x = 703,173,295.97
  5. Step 5: Solve for x
    x = 703,173,295.97/28,943.55
  6. Step 6: Final answer
    x = 24,294.65

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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.