Home / 27,575.00-38,055.36-15,639.11

Finding the Fourth Proportional to 27,575.00, 38,055.36 and 15,639.11

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Solution

The fourth proportional to 27,575.00, 38,055.36 and 15,639.11 is: 21,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.00 : 38,055.36 = 15,639.11 : x
  2. Step 2: Convert to fraction form
    27,575.00/38,055.36 = 15,639.11/x
  3. Step 3: Cross multiply
    27,575.00x = 38,055.36 × 15,639.11
  4. Step 4: Simplify right side
    27,575.00x = 595,151,770.85
  5. Step 5: Solve for x
    x = 595,151,770.85/27,575.00
  6. Step 6: Final answer
    x = 21,583.02

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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.