Home / 27,820.27-38,392.03-15,073.57

Finding the Fourth Proportional to 27,820.27, 38,392.03 and 15,073.57

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Solution

The fourth proportional to 27,820.27, 38,392.03 and 15,073.57 is: 20,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.27 : 38,392.03 = 15,073.57 : x
  2. Step 2: Convert to fraction form
    27,820.27/38,392.03 = 15,073.57/x
  3. Step 3: Cross multiply
    27,820.27x = 38,392.03 × 15,073.57
  4. Step 4: Simplify right side
    27,820.27x = 578,704,825.71
  5. Step 5: Solve for x
    x = 578,704,825.71/27,820.27
  6. Step 6: Final answer
    x = 20,801.55

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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.