Home / 27,319.50-40,988.97-13,478.22

Finding the Fourth Proportional to 27,319.50, 40,988.97 and 13,478.22

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Solution

The fourth proportional to 27,319.50, 40,988.97 and 13,478.22 is: 20,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.50 : 40,988.97 = 13,478.22 : x
  2. Step 2: Convert to fraction form
    27,319.50/40,988.97 = 13,478.22/x
  3. Step 3: Cross multiply
    27,319.50x = 40,988.97 × 13,478.22
  4. Step 4: Simplify right side
    27,319.50x = 552,458,355.23
  5. Step 5: Solve for x
    x = 552,458,355.23/27,319.50
  6. Step 6: Final answer
    x = 20,222.13

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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.