Home / 27,552.80-38,019.48-18,619.76

Finding the Fourth Proportional to 27,552.80, 38,019.48 and 18,619.76

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Solution

The fourth proportional to 27,552.80, 38,019.48 and 18,619.76 is: 25,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.80 : 38,019.48 = 18,619.76 : x
  2. Step 2: Convert to fraction form
    27,552.80/38,019.48 = 18,619.76/x
  3. Step 3: Cross multiply
    27,552.80x = 38,019.48 × 18,619.76
  4. Step 4: Simplify right side
    27,552.80x = 707,913,592.92
  5. Step 5: Solve for x
    x = 707,913,592.92/27,552.80
  6. Step 6: Final answer
    x = 25,692.98

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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.