Home / 27,127.08-40,686.40-10,494.80

Finding the Fourth Proportional to 27,127.08, 40,686.40 and 10,494.80

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Solution

The fourth proportional to 27,127.08, 40,686.40 and 10,494.80 is: 15,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.08 : 40,686.40 = 10,494.80 : x
  2. Step 2: Convert to fraction form
    27,127.08/40,686.40 = 10,494.80/x
  3. Step 3: Cross multiply
    27,127.08x = 40,686.40 × 10,494.80
  4. Step 4: Simplify right side
    27,127.08x = 426,995,630.72
  5. Step 5: Solve for x
    x = 426,995,630.72/27,127.08
  6. Step 6: Final answer
    x = 15,740.57

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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.