Home / 51,527.68-71,104.80-28,862.72

Finding the Fourth Proportional to 51,527.68, 71,104.80 and 28,862.72

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Solution

The fourth proportional to 51,527.68, 71,104.80 and 28,862.72 is: 39,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,527.68 : 71,104.80 = 28,862.72 : x
  2. Step 2: Convert to fraction form
    51,527.68/71,104.80 = 28,862.72/x
  3. Step 3: Cross multiply
    51,527.68x = 71,104.80 × 28,862.72
  4. Step 4: Simplify right side
    51,527.68x = 2,052,277,933.06
  5. Step 5: Solve for x
    x = 2,052,277,933.06/51,527.68
  6. Step 6: Final answer
    x = 39,828.65

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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.