Home / 27,647.04-38,149.08-15,545.88

Finding the Fourth Proportional to 27,647.04, 38,149.08 and 15,545.88

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Solution

The fourth proportional to 27,647.04, 38,149.08 and 15,545.88 is: 21,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.04 : 38,149.08 = 15,545.88 : x
  2. Step 2: Convert to fraction form
    27,647.04/38,149.08 = 15,545.88/x
  3. Step 3: Cross multiply
    27,647.04x = 38,149.08 × 15,545.88
  4. Step 4: Simplify right side
    27,647.04x = 593,061,019.79
  5. Step 5: Solve for x
    x = 593,061,019.79/27,647.04
  6. Step 6: Final answer
    x = 21,451.16

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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.