Home / 27,594.06-38,079.75-15,018.78

Finding the Fourth Proportional to 27,594.06, 38,079.75 and 15,018.78

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Solution

The fourth proportional to 27,594.06, 38,079.75 and 15,018.78 is: 20,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,594.06 : 38,079.75 = 15,018.78 : x
  2. Step 2: Convert to fraction form
    27,594.06/38,079.75 = 15,018.78/x
  3. Step 3: Cross multiply
    27,594.06x = 38,079.75 × 15,018.78
  4. Step 4: Simplify right side
    27,594.06x = 571,911,387.71
  5. Step 5: Solve for x
    x = 571,911,387.71/27,594.06
  6. Step 6: Final answer
    x = 20,725.89

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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.