Home / 27,604.55-38,095.20-15,507.15

Finding the Fourth Proportional to 27,604.55, 38,095.20 and 15,507.15

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Solution

The fourth proportional to 27,604.55, 38,095.20 and 15,507.15 is: 21,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.55 : 38,095.20 = 15,507.15 : x
  2. Step 2: Convert to fraction form
    27,604.55/38,095.20 = 15,507.15/x
  3. Step 3: Cross multiply
    27,604.55x = 38,095.20 × 15,507.15
  4. Step 4: Simplify right side
    27,604.55x = 590,747,980.68
  5. Step 5: Solve for x
    x = 590,747,980.68/27,604.55
  6. Step 6: Final answer
    x = 21,400.39

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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.