Home / 27,391.81-37,800.85-15,292.84

Finding the Fourth Proportional to 27,391.81, 37,800.85 and 15,292.84

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Solution

The fourth proportional to 27,391.81, 37,800.85 and 15,292.84 is: 21,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.81 : 37,800.85 = 15,292.84 : x
  2. Step 2: Convert to fraction form
    27,391.81/37,800.85 = 15,292.84/x
  3. Step 3: Cross multiply
    27,391.81x = 37,800.85 × 15,292.84
  4. Step 4: Simplify right side
    27,391.81x = 578,082,350.91
  5. Step 5: Solve for x
    x = 578,082,350.91/27,391.81
  6. Step 6: Final answer
    x = 21,104.20

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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.