Home / 27,186.13-40,778.65-15,474.25

Finding the Fourth Proportional to 27,186.13, 40,778.65 and 15,474.25

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Solution

The fourth proportional to 27,186.13, 40,778.65 and 15,474.25 is: 23,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.13 : 40,778.65 = 15,474.25 : x
  2. Step 2: Convert to fraction form
    27,186.13/40,778.65 = 15,474.25/x
  3. Step 3: Cross multiply
    27,186.13x = 40,778.65 × 15,474.25
  4. Step 4: Simplify right side
    27,186.13x = 631,019,024.76
  5. Step 5: Solve for x
    x = 631,019,024.76/27,186.13
  6. Step 6: Final answer
    x = 23,211.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.