Home / 26,788.78-36,968.19-15,458.14

Finding the Fourth Proportional to 26,788.78, 36,968.19 and 15,458.14

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Solution

The fourth proportional to 26,788.78, 36,968.19 and 15,458.14 is: 21,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.78 : 36,968.19 = 15,458.14 : x
  2. Step 2: Convert to fraction form
    26,788.78/36,968.19 = 15,458.14/x
  3. Step 3: Cross multiply
    26,788.78x = 36,968.19 × 15,458.14
  4. Step 4: Simplify right side
    26,788.78x = 571,459,456.57
  5. Step 5: Solve for x
    x = 571,459,456.57/26,788.78
  6. Step 6: Final answer
    x = 21,332.04

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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.