Home / 27,143.16-40,899.65-22,320.83

Finding the Fourth Proportional to 27,143.16, 40,899.65 and 22,320.83

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Solution

The fourth proportional to 27,143.16, 40,899.65 and 22,320.83 is: 33,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.16 : 40,899.65 = 22,320.83 : x
  2. Step 2: Convert to fraction form
    27,143.16/40,899.65 = 22,320.83/x
  3. Step 3: Cross multiply
    27,143.16x = 40,899.65 × 22,320.83
  4. Step 4: Simplify right side
    27,143.16x = 912,913,818.61
  5. Step 5: Solve for x
    x = 912,913,818.61/27,143.16
  6. Step 6: Final answer
    x = 33,633.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.