Home / 27,853.47-38,423.48-18,291.98

Finding the Fourth Proportional to 27,853.47, 38,423.48 and 18,291.98

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Solution

The fourth proportional to 27,853.47, 38,423.48 and 18,291.98 is: 25,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.47 : 38,423.48 = 18,291.98 : x
  2. Step 2: Convert to fraction form
    27,853.47/38,423.48 = 18,291.98/x
  3. Step 3: Cross multiply
    27,853.47x = 38,423.48 × 18,291.98
  4. Step 4: Simplify right side
    27,853.47x = 702,841,419.05
  5. Step 5: Solve for x
    x = 702,841,419.05/27,853.47
  6. Step 6: Final answer
    x = 25,233.53

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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.