Home / 28,960.76-39,971.05-17,024.72

Finding the Fourth Proportional to 28,960.76, 39,971.05 and 17,024.72

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Solution

The fourth proportional to 28,960.76, 39,971.05 and 17,024.72 is: 23,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.76 : 39,971.05 = 17,024.72 : x
  2. Step 2: Convert to fraction form
    28,960.76/39,971.05 = 17,024.72/x
  3. Step 3: Cross multiply
    28,960.76x = 39,971.05 × 17,024.72
  4. Step 4: Simplify right side
    28,960.76x = 680,495,691.94
  5. Step 5: Solve for x
    x = 680,495,691.94/28,960.76
  6. Step 6: Final answer
    x = 23,497.16

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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.