Home / 28,393.89-42,617.20-14,363.83

Finding the Fourth Proportional to 28,393.89, 42,617.20 and 14,363.83

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Solution

The fourth proportional to 28,393.89, 42,617.20 and 14,363.83 is: 21,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.89 : 42,617.20 = 14,363.83 : x
  2. Step 2: Convert to fraction form
    28,393.89/42,617.20 = 14,363.83/x
  3. Step 3: Cross multiply
    28,393.89x = 42,617.20 × 14,363.83
  4. Step 4: Simplify right side
    28,393.89x = 612,146,215.88
  5. Step 5: Solve for x
    x = 612,146,215.88/28,393.89
  6. Step 6: Final answer
    x = 21,559.08

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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.