Home / 28,257.73-42,398.51-14,210.37

Finding the Fourth Proportional to 28,257.73, 42,398.51 and 14,210.37

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Solution

The fourth proportional to 28,257.73, 42,398.51 and 14,210.37 is: 21,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.73 : 42,398.51 = 14,210.37 : x
  2. Step 2: Convert to fraction form
    28,257.73/42,398.51 = 14,210.37/x
  3. Step 3: Cross multiply
    28,257.73x = 42,398.51 × 14,210.37
  4. Step 4: Simplify right side
    28,257.73x = 602,498,443.50
  5. Step 5: Solve for x
    x = 602,498,443.50/28,257.73
  6. Step 6: Final answer
    x = 21,321.55

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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.