Home / 28,549.53-42,873.30-17,520.98

Finding the Fourth Proportional to 28,549.53, 42,873.30 and 17,520.98

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Solution

The fourth proportional to 28,549.53, 42,873.30 and 17,520.98 is: 26,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.53 : 42,873.30 = 17,520.98 : x
  2. Step 2: Convert to fraction form
    28,549.53/42,873.30 = 17,520.98/x
  3. Step 3: Cross multiply
    28,549.53x = 42,873.30 × 17,520.98
  4. Step 4: Simplify right side
    28,549.53x = 751,182,017.47
  5. Step 5: Solve for x
    x = 751,182,017.47/28,549.53
  6. Step 6: Final answer
    x = 26,311.54

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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.