Home / 28,781.62-39,707.72-17,446.98

Finding the Fourth Proportional to 28,781.62, 39,707.72 and 17,446.98

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Solution

The fourth proportional to 28,781.62, 39,707.72 and 17,446.98 is: 24,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.62 : 39,707.72 = 17,446.98 : x
  2. Step 2: Convert to fraction form
    28,781.62/39,707.72 = 17,446.98/x
  3. Step 3: Cross multiply
    28,781.62x = 39,707.72 × 17,446.98
  4. Step 4: Simplify right side
    28,781.62x = 692,779,923.78
  5. Step 5: Solve for x
    x = 692,779,923.78/28,781.62
  6. Step 6: Final answer
    x = 24,070.22

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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.