Home / 27,721.84-38,167.32-22,434.16

Finding the Fourth Proportional to 27,721.84, 38,167.32 and 22,434.16

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Solution

The fourth proportional to 27,721.84, 38,167.32 and 22,434.16 is: 30,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.84 : 38,167.32 = 22,434.16 : x
  2. Step 2: Convert to fraction form
    27,721.84/38,167.32 = 22,434.16/x
  3. Step 3: Cross multiply
    27,721.84x = 38,167.32 × 22,434.16
  4. Step 4: Simplify right side
    27,721.84x = 856,251,763.65
  5. Step 5: Solve for x
    x = 856,251,763.65/27,721.84
  6. Step 6: Final answer
    x = 30,887.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.