Home / 28,275.76-39,014.36-17,097.52

Finding the Fourth Proportional to 28,275.76, 39,014.36 and 17,097.52

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Solution

The fourth proportional to 28,275.76, 39,014.36 and 17,097.52 is: 23,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.76 : 39,014.36 = 17,097.52 : x
  2. Step 2: Convert to fraction form
    28,275.76/39,014.36 = 17,097.52/x
  3. Step 3: Cross multiply
    28,275.76x = 39,014.36 × 17,097.52
  4. Step 4: Simplify right side
    28,275.76x = 667,048,800.39
  5. Step 5: Solve for x
    x = 667,048,800.39/28,275.76
  6. Step 6: Final answer
    x = 23,590.84

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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.