Home / 27,047.71-40,555.80-13,001.43

Finding the Fourth Proportional to 27,047.71, 40,555.80 and 13,001.43

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Solution

The fourth proportional to 27,047.71, 40,555.80 and 13,001.43 is: 19,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.71 : 40,555.80 = 13,001.43 : x
  2. Step 2: Convert to fraction form
    27,047.71/40,555.80 = 13,001.43/x
  3. Step 3: Cross multiply
    27,047.71x = 40,555.80 × 13,001.43
  4. Step 4: Simplify right side
    27,047.71x = 527,283,394.79
  5. Step 5: Solve for x
    x = 527,283,394.79/27,047.71
  6. Step 6: Final answer
    x = 19,494.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.