Home / 28,458.72-39,275.28-16,525.80

Finding the Fourth Proportional to 28,458.72, 39,275.28 and 16,525.80

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Solution

The fourth proportional to 28,458.72, 39,275.28 and 16,525.80 is: 22,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.72 : 39,275.28 = 16,525.80 : x
  2. Step 2: Convert to fraction form
    28,458.72/39,275.28 = 16,525.80/x
  3. Step 3: Cross multiply
    28,458.72x = 39,275.28 × 16,525.80
  4. Step 4: Simplify right side
    28,458.72x = 649,055,422.22
  5. Step 5: Solve for x
    x = 649,055,422.22/28,458.72
  6. Step 6: Final answer
    x = 22,806.91

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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.