Home / 27,806.53-38,373.51-15,230.47

Finding the Fourth Proportional to 27,806.53, 38,373.51 and 15,230.47

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Solution

The fourth proportional to 27,806.53, 38,373.51 and 15,230.47 is: 21,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.53 : 38,373.51 = 15,230.47 : x
  2. Step 2: Convert to fraction form
    27,806.53/38,373.51 = 15,230.47/x
  3. Step 3: Cross multiply
    27,806.53x = 38,373.51 × 15,230.47
  4. Step 4: Simplify right side
    27,806.53x = 584,446,592.85
  5. Step 5: Solve for x
    x = 584,446,592.85/27,806.53
  6. Step 6: Final answer
    x = 21,018.32

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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.