Home / 28,265.19-42,398.67-14,217.54

Finding the Fourth Proportional to 28,265.19, 42,398.67 and 14,217.54

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Solution

The fourth proportional to 28,265.19, 42,398.67 and 14,217.54 is: 21,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.19 : 42,398.67 = 14,217.54 : x
  2. Step 2: Convert to fraction form
    28,265.19/42,398.67 = 14,217.54/x
  3. Step 3: Cross multiply
    28,265.19x = 42,398.67 × 14,217.54
  4. Step 4: Simplify right side
    28,265.19x = 602,804,919.49
  5. Step 5: Solve for x
    x = 602,804,919.49/28,265.19
  6. Step 6: Final answer
    x = 21,326.76

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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.