Home / 27,624.98-38,146.88-20,539.10

Finding the Fourth Proportional to 27,624.98, 38,146.88 and 20,539.10

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Solution

The fourth proportional to 27,624.98, 38,146.88 and 20,539.10 is: 28,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,624.98 : 38,146.88 = 20,539.10 : x
  2. Step 2: Convert to fraction form
    27,624.98/38,146.88 = 20,539.10/x
  3. Step 3: Cross multiply
    27,624.98x = 38,146.88 × 20,539.10
  4. Step 4: Simplify right side
    27,624.98x = 783,502,729.72
  5. Step 5: Solve for x
    x = 783,502,729.72/27,624.98
  6. Step 6: Final answer
    x = 28,362.11

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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.