Home / 27,639.26-38,142.36-15,064.04

Finding the Fourth Proportional to 27,639.26, 38,142.36 and 15,064.04

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Solution

The fourth proportional to 27,639.26, 38,142.36 and 15,064.04 is: 20,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.26 : 38,142.36 = 15,064.04 : x
  2. Step 2: Convert to fraction form
    27,639.26/38,142.36 = 15,064.04/x
  3. Step 3: Cross multiply
    27,639.26x = 38,142.36 × 15,064.04
  4. Step 4: Simplify right side
    27,639.26x = 574,578,036.73
  5. Step 5: Solve for x
    x = 574,578,036.73/27,639.26
  6. Step 6: Final answer
    x = 20,788.47

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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.