Home / 27,139.80-37,452.70-15,203.22

Finding the Fourth Proportional to 27,139.80, 37,452.70 and 15,203.22

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Solution

The fourth proportional to 27,139.80, 37,452.70 and 15,203.22 is: 20,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.80 : 37,452.70 = 15,203.22 : x
  2. Step 2: Convert to fraction form
    27,139.80/37,452.70 = 15,203.22/x
  3. Step 3: Cross multiply
    27,139.80x = 37,452.70 × 15,203.22
  4. Step 4: Simplify right side
    27,139.80x = 569,401,637.69
  5. Step 5: Solve for x
    x = 569,401,637.69/27,139.80
  6. Step 6: Final answer
    x = 20,980.32

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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.