Home / 27,620.18-38,117.01-15,045.62

Finding the Fourth Proportional to 27,620.18, 38,117.01 and 15,045.62

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Solution

The fourth proportional to 27,620.18, 38,117.01 and 15,045.62 is: 20,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.18 : 38,117.01 = 15,045.62 : x
  2. Step 2: Convert to fraction form
    27,620.18/38,117.01 = 15,045.62/x
  3. Step 3: Cross multiply
    27,620.18x = 38,117.01 × 15,045.62
  4. Step 4: Simplify right side
    27,620.18x = 573,494,048.00
  5. Step 5: Solve for x
    x = 573,494,048.00/27,620.18
  6. Step 6: Final answer
    x = 20,763.59

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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.