Home / 27,095.55-37,401.89-20,400.59

Finding the Fourth Proportional to 27,095.55, 37,401.89 and 20,400.59

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Solution

The fourth proportional to 27,095.55, 37,401.89 and 20,400.59 is: 28,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.55 : 37,401.89 = 20,400.59 : x
  2. Step 2: Convert to fraction form
    27,095.55/37,401.89 = 20,400.59/x
  3. Step 3: Cross multiply
    27,095.55x = 37,401.89 × 20,400.59
  4. Step 4: Simplify right side
    27,095.55x = 763,020,614.62
  5. Step 5: Solve for x
    x = 763,020,614.62/27,095.55
  6. Step 6: Final answer
    x = 28,160.37

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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.