Home / 27,525.71-37,985.60-15,591.38

Finding the Fourth Proportional to 27,525.71, 37,985.60 and 15,591.38

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Solution

The fourth proportional to 27,525.71, 37,985.60 and 15,591.38 is: 21,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.71 : 37,985.60 = 15,591.38 : x
  2. Step 2: Convert to fraction form
    27,525.71/37,985.60 = 15,591.38/x
  3. Step 3: Cross multiply
    27,525.71x = 37,985.60 × 15,591.38
  4. Step 4: Simplify right side
    27,525.71x = 592,247,773.18
  5. Step 5: Solve for x
    x = 592,247,773.18/27,525.71
  6. Step 6: Final answer
    x = 21,516.17

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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.