Home / 28,265.22-42,398.76-14,217.60

Finding the Fourth Proportional to 28,265.22, 42,398.76 and 14,217.60

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Solution

The fourth proportional to 28,265.22, 42,398.76 and 14,217.60 is: 21,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.22 : 42,398.76 = 14,217.60 : x
  2. Step 2: Convert to fraction form
    28,265.22/42,398.76 = 14,217.60/x
  3. Step 3: Cross multiply
    28,265.22x = 42,398.76 × 14,217.60
  4. Step 4: Simplify right side
    28,265.22x = 602,808,610.18
  5. Step 5: Solve for x
    x = 602,808,610.18/28,265.22
  6. Step 6: Final answer
    x = 21,326.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.