Home / 27,609.28-38,100.64-15,033.92

Finding the Fourth Proportional to 27,609.28, 38,100.64 and 15,033.92

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Solution

The fourth proportional to 27,609.28, 38,100.64 and 15,033.92 is: 20,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.28 : 38,100.64 = 15,033.92 : x
  2. Step 2: Convert to fraction form
    27,609.28/38,100.64 = 15,033.92/x
  3. Step 3: Cross multiply
    27,609.28x = 38,100.64 × 15,033.92
  4. Step 4: Simplify right side
    27,609.28x = 572,801,973.71
  5. Step 5: Solve for x
    x = 572,801,973.71/27,609.28
  6. Step 6: Final answer
    x = 20,746.72

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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.