Home / 27,117.20-40,671.92-10,485.06

Finding the Fourth Proportional to 27,117.20, 40,671.92 and 10,485.06

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Solution

The fourth proportional to 27,117.20, 40,671.92 and 10,485.06 is: 15,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.20 : 40,671.92 = 10,485.06 : x
  2. Step 2: Convert to fraction form
    27,117.20/40,671.92 = 10,485.06/x
  3. Step 3: Cross multiply
    27,117.20x = 40,671.92 × 10,485.06
  4. Step 4: Simplify right side
    27,117.20x = 426,447,521.52
  5. Step 5: Solve for x
    x = 426,447,521.52/27,117.20
  6. Step 6: Final answer
    x = 15,726.09

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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.