Home / 27,239.18-40,859.76-7,519.22

Finding the Fourth Proportional to 27,239.18, 40,859.76 and 7,519.22

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Solution

The fourth proportional to 27,239.18, 40,859.76 and 7,519.22 is: 11,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.18 : 40,859.76 = 7,519.22 : x
  2. Step 2: Convert to fraction form
    27,239.18/40,859.76 = 7,519.22/x
  3. Step 3: Cross multiply
    27,239.18x = 40,859.76 × 7,519.22
  4. Step 4: Simplify right side
    27,239.18x = 307,233,320.29
  5. Step 5: Solve for x
    x = 307,233,320.29/27,239.18
  6. Step 6: Final answer
    x = 11,279.10

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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.