Home / 28,480.78-39,301.56-17,148.10

Finding the Fourth Proportional to 28,480.78, 39,301.56 and 17,148.10

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Solution

The fourth proportional to 28,480.78, 39,301.56 and 17,148.10 is: 23,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.78 : 39,301.56 = 17,148.10 : x
  2. Step 2: Convert to fraction form
    28,480.78/39,301.56 = 17,148.10/x
  3. Step 3: Cross multiply
    28,480.78x = 39,301.56 × 17,148.10
  4. Step 4: Simplify right side
    28,480.78x = 673,947,081.04
  5. Step 5: Solve for x
    x = 673,947,081.04/28,480.78
  6. Step 6: Final answer
    x = 23,663.22

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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.