Home / 27,728.74-38,267.05-16,404.87

Finding the Fourth Proportional to 27,728.74, 38,267.05 and 16,404.87

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Solution

The fourth proportional to 27,728.74, 38,267.05 and 16,404.87 is: 22,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728.74 : 38,267.05 = 16,404.87 : x
  2. Step 2: Convert to fraction form
    27,728.74/38,267.05 = 16,404.87/x
  3. Step 3: Cross multiply
    27,728.74x = 38,267.05 × 16,404.87
  4. Step 4: Simplify right side
    27,728.74x = 627,765,980.53
  5. Step 5: Solve for x
    x = 627,765,980.53/27,728.74
  6. Step 6: Final answer
    x = 22,639.54

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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.