Home / 27,230.79-40,780.56-15,508.47

Finding the Fourth Proportional to 27,230.79, 40,780.56 and 15,508.47

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Solution

The fourth proportional to 27,230.79, 40,780.56 and 15,508.47 is: 23,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.79 : 40,780.56 = 15,508.47 : x
  2. Step 2: Convert to fraction form
    27,230.79/40,780.56 = 15,508.47/x
  3. Step 3: Cross multiply
    27,230.79x = 40,780.56 × 15,508.47
  4. Step 4: Simplify right side
    27,230.79x = 632,444,091.34
  5. Step 5: Solve for x
    x = 632,444,091.34/27,230.79
  6. Step 6: Final answer
    x = 23,225.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.