Home / 27,664.32-38,177.28-15,089.52

Finding the Fourth Proportional to 27,664.32, 38,177.28 and 15,089.52

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Solution

The fourth proportional to 27,664.32, 38,177.28 and 15,089.52 is: 20,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.32 : 38,177.28 = 15,089.52 : x
  2. Step 2: Convert to fraction form
    27,664.32/38,177.28 = 15,089.52/x
  3. Step 3: Cross multiply
    27,664.32x = 38,177.28 × 15,089.52
  4. Step 4: Simplify right side
    27,664.32x = 576,076,830.11
  5. Step 5: Solve for x
    x = 576,076,830.11/27,664.32
  6. Step 6: Final answer
    x = 20,823.82

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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.