Home / 27,141.19-40,651.63-20,854.93

Finding the Fourth Proportional to 27,141.19, 40,651.63 and 20,854.93

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Solution

The fourth proportional to 27,141.19, 40,651.63 and 20,854.93 is: 31,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.19 : 40,651.63 = 20,854.93 : x
  2. Step 2: Convert to fraction form
    27,141.19/40,651.63 = 20,854.93/x
  3. Step 3: Cross multiply
    27,141.19x = 40,651.63 × 20,854.93
  4. Step 4: Simplify right side
    27,141.19x = 847,786,898.04
  5. Step 5: Solve for x
    x = 847,786,898.04/27,141.19
  6. Step 6: Final answer
    x = 31,236.17

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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.