Home / 27,823.01-38,395.70-15,076.55

Finding the Fourth Proportional to 27,823.01, 38,395.70 and 15,076.55

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Solution

The fourth proportional to 27,823.01, 38,395.70 and 15,076.55 is: 20,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.01 : 38,395.70 = 15,076.55 : x
  2. Step 2: Convert to fraction form
    27,823.01/38,395.70 = 15,076.55/x
  3. Step 3: Cross multiply
    27,823.01x = 38,395.70 × 15,076.55
  4. Step 4: Simplify right side
    27,823.01x = 578,874,615.45
  5. Step 5: Solve for x
    x = 578,874,615.45/27,823.01
  6. Step 6: Final answer
    x = 20,805.61

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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.