Home / 28,781.22-39,707.54-17,442.54

Finding the Fourth Proportional to 28,781.22, 39,707.54 and 17,442.54

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Solution

The fourth proportional to 28,781.22, 39,707.54 and 17,442.54 is: 24,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.22 : 39,707.54 = 17,442.54 : x
  2. Step 2: Convert to fraction form
    28,781.22/39,707.54 = 17,442.54/x
  3. Step 3: Cross multiply
    28,781.22x = 39,707.54 × 17,442.54
  4. Step 4: Simplify right side
    28,781.22x = 692,600,354.75
  5. Step 5: Solve for x
    x = 692,600,354.75/28,781.22
  6. Step 6: Final answer
    x = 24,064.32

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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.