Home / 27,882.02-38,425.29-18,929.90

Finding the Fourth Proportional to 27,882.02, 38,425.29 and 18,929.90

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Solution

The fourth proportional to 27,882.02, 38,425.29 and 18,929.90 is: 26,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.02 : 38,425.29 = 18,929.90 : x
  2. Step 2: Convert to fraction form
    27,882.02/38,425.29 = 18,929.90/x
  3. Step 3: Cross multiply
    27,882.02x = 38,425.29 × 18,929.90
  4. Step 4: Simplify right side
    27,882.02x = 727,386,922.25
  5. Step 5: Solve for x
    x = 727,386,922.25/27,882.02
  6. Step 6: Final answer
    x = 26,088.03

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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.