Home / 27,761.04-38,314.26-15,825.51

Finding the Fourth Proportional to 27,761.04, 38,314.26 and 15,825.51

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Solution

The fourth proportional to 27,761.04, 38,314.26 and 15,825.51 is: 21,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.04 : 38,314.26 = 15,825.51 : x
  2. Step 2: Convert to fraction form
    27,761.04/38,314.26 = 15,825.51/x
  3. Step 3: Cross multiply
    27,761.04x = 38,314.26 × 15,825.51
  4. Step 4: Simplify right side
    27,761.04x = 606,342,704.77
  5. Step 5: Solve for x
    x = 606,342,704.77/27,761.04
  6. Step 6: Final answer
    x = 21,841.50

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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.