Home / 27,578.16-38,056.68-15,002.88

Finding the Fourth Proportional to 27,578.16, 38,056.68 and 15,002.88

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Solution

The fourth proportional to 27,578.16, 38,056.68 and 15,002.88 is: 20,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.16 : 38,056.68 = 15,002.88 : x
  2. Step 2: Convert to fraction form
    27,578.16/38,056.68 = 15,002.88/x
  3. Step 3: Cross multiply
    27,578.16x = 38,056.68 × 15,002.88
  4. Step 4: Simplify right side
    27,578.16x = 570,959,803.24
  5. Step 5: Solve for x
    x = 570,959,803.24/27,578.16
  6. Step 6: Final answer
    x = 20,703.33

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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.