Home / 27,223.59-40,820.36-18,338.45

Finding the Fourth Proportional to 27,223.59, 40,820.36 and 18,338.45

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Solution

The fourth proportional to 27,223.59, 40,820.36 and 18,338.45 is: 27,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.59 : 40,820.36 = 18,338.45 : x
  2. Step 2: Convert to fraction form
    27,223.59/40,820.36 = 18,338.45/x
  3. Step 3: Cross multiply
    27,223.59x = 40,820.36 × 18,338.45
  4. Step 4: Simplify right side
    27,223.59x = 748,582,064.66
  5. Step 5: Solve for x
    x = 748,582,064.66/27,223.59
  6. Step 6: Final answer
    x = 27,497.55

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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.