Home / 27,988.23-41,980.91-10,456.68

Finding the Fourth Proportional to 27,988.23, 41,980.91 and 10,456.68

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Solution

The fourth proportional to 27,988.23, 41,980.91 and 10,456.68 is: 15,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.23 : 41,980.91 = 10,456.68 : x
  2. Step 2: Convert to fraction form
    27,988.23/41,980.91 = 10,456.68/x
  3. Step 3: Cross multiply
    27,988.23x = 41,980.91 × 10,456.68
  4. Step 4: Simplify right side
    27,988.23x = 438,980,889.70
  5. Step 5: Solve for x
    x = 438,980,889.70/27,988.23
  6. Step 6: Final answer
    x = 15,684.48

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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.