Home / 27,883.29-38,479.01-15,308.85

Finding the Fourth Proportional to 27,883.29, 38,479.01 and 15,308.85

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Solution

The fourth proportional to 27,883.29, 38,479.01 and 15,308.85 is: 21,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.29 : 38,479.01 = 15,308.85 : x
  2. Step 2: Convert to fraction form
    27,883.29/38,479.01 = 15,308.85/x
  3. Step 3: Cross multiply
    27,883.29x = 38,479.01 × 15,308.85
  4. Step 4: Simplify right side
    27,883.29x = 589,069,392.24
  5. Step 5: Solve for x
    x = 589,069,392.24/27,883.29
  6. Step 6: Final answer
    x = 21,126.25

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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.