Home / 27,443.01-37,877.57-15,513.27

Finding the Fourth Proportional to 27,443.01, 37,877.57 and 15,513.27

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Solution

The fourth proportional to 27,443.01, 37,877.57 and 15,513.27 is: 21,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.01 : 37,877.57 = 15,513.27 : x
  2. Step 2: Convert to fraction form
    27,443.01/37,877.57 = 15,513.27/x
  3. Step 3: Cross multiply
    27,443.01x = 37,877.57 × 15,513.27
  4. Step 4: Simplify right side
    27,443.01x = 587,604,892.79
  5. Step 5: Solve for x
    x = 587,604,892.79/27,443.01
  6. Step 6: Final answer
    x = 21,411.82

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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.