Home / 27,187.90-37,516.78-15,248.93

Finding the Fourth Proportional to 27,187.90, 37,516.78 and 15,248.93

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Solution

The fourth proportional to 27,187.90, 37,516.78 and 15,248.93 is: 21,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.90 : 37,516.78 = 15,248.93 : x
  2. Step 2: Convert to fraction form
    27,187.90/37,516.78 = 15,248.93/x
  3. Step 3: Cross multiply
    27,187.90x = 37,516.78 × 15,248.93
  4. Step 4: Simplify right side
    27,187.90x = 572,090,752.05
  5. Step 5: Solve for x
    x = 572,090,752.05/27,187.90
  6. Step 6: Final answer
    x = 21,042.11

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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.