Home / 28,058.56-42,083.44-16,820.16

Finding the Fourth Proportional to 28,058.56, 42,083.44 and 16,820.16

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Solution

The fourth proportional to 28,058.56, 42,083.44 and 16,820.16 is: 25,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.56 : 42,083.44 = 16,820.16 : x
  2. Step 2: Convert to fraction form
    28,058.56/42,083.44 = 16,820.16/x
  3. Step 3: Cross multiply
    28,058.56x = 42,083.44 × 16,820.16
  4. Step 4: Simplify right side
    28,058.56x = 707,850,194.15
  5. Step 5: Solve for x
    x = 707,850,194.15/28,058.56
  6. Step 6: Final answer
    x = 25,227.60

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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.