Home / 27,823.18-38,395.93-15,076.70

Finding the Fourth Proportional to 27,823.18, 38,395.93 and 15,076.70

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Solution

The fourth proportional to 27,823.18, 38,395.93 and 15,076.70 is: 20,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.18 : 38,395.93 = 15,076.70 : x
  2. Step 2: Convert to fraction form
    27,823.18/38,395.93 = 15,076.70/x
  3. Step 3: Cross multiply
    27,823.18x = 38,395.93 × 15,076.70
  4. Step 4: Simplify right side
    27,823.18x = 578,883,917.83
  5. Step 5: Solve for x
    x = 578,883,917.83/27,823.18
  6. Step 6: Final answer
    x = 20,805.81

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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.