Home / 27,541.60-38,007.31-15,607.22

Finding the Fourth Proportional to 27,541.60, 38,007.31 and 15,607.22

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Solution

The fourth proportional to 27,541.60, 38,007.31 and 15,607.22 is: 21,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,541.60 : 38,007.31 = 15,607.22 : x
  2. Step 2: Convert to fraction form
    27,541.60/38,007.31 = 15,607.22/x
  3. Step 3: Cross multiply
    27,541.60x = 38,007.31 × 15,607.22
  4. Step 4: Simplify right side
    27,541.60x = 593,188,370.74
  5. Step 5: Solve for x
    x = 593,188,370.74/27,541.60
  6. Step 6: Final answer
    x = 21,537.91

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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.