Home / 27,722.16-38,257.92-15,148.08

Finding the Fourth Proportional to 27,722.16, 38,257.92 and 15,148.08

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Solution

The fourth proportional to 27,722.16, 38,257.92 and 15,148.08 is: 20,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.16 : 38,257.92 = 15,148.08 : x
  2. Step 2: Convert to fraction form
    27,722.16/38,257.92 = 15,148.08/x
  3. Step 3: Cross multiply
    27,722.16x = 38,257.92 × 15,148.08
  4. Step 4: Simplify right side
    27,722.16x = 579,534,032.79
  5. Step 5: Solve for x
    x = 579,534,032.79/27,722.16
  6. Step 6: Final answer
    x = 20,905.08

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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.