Home / 27,108.95-37,412.69-15,172.11

Finding the Fourth Proportional to 27,108.95, 37,412.69 and 15,172.11

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Solution

The fourth proportional to 27,108.95, 37,412.69 and 15,172.11 is: 20,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.95 : 37,412.69 = 15,172.11 : x
  2. Step 2: Convert to fraction form
    27,108.95/37,412.69 = 15,172.11/x
  3. Step 3: Cross multiply
    27,108.95x = 37,412.69 × 15,172.11
  4. Step 4: Simplify right side
    27,108.95x = 567,629,372.22
  5. Step 5: Solve for x
    x = 567,629,372.22/27,108.95
  6. Step 6: Final answer
    x = 20,938.82

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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.