Home / 27,826.18-38,400.12-15,250.92

Finding the Fourth Proportional to 27,826.18, 38,400.12 and 15,250.92

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Solution

The fourth proportional to 27,826.18, 38,400.12 and 15,250.92 is: 21,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.18 : 38,400.12 = 15,250.92 : x
  2. Step 2: Convert to fraction form
    27,826.18/38,400.12 = 15,250.92/x
  3. Step 3: Cross multiply
    27,826.18x = 38,400.12 × 15,250.92
  4. Step 4: Simplify right side
    27,826.18x = 585,637,158.11
  5. Step 5: Solve for x
    x = 585,637,158.11/27,826.18
  6. Step 6: Final answer
    x = 21,046.26

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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.