Home / 28,503.12-42,690.96-16,480.56

Finding the Fourth Proportional to 28,503.12, 42,690.96 and 16,480.56

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Solution

The fourth proportional to 28,503.12, 42,690.96 and 16,480.56 is: 24,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.12 : 42,690.96 = 16,480.56 : x
  2. Step 2: Convert to fraction form
    28,503.12/42,690.96 = 16,480.56/x
  3. Step 3: Cross multiply
    28,503.12x = 42,690.96 × 16,480.56
  4. Step 4: Simplify right side
    28,503.12x = 703,570,927.74
  5. Step 5: Solve for x
    x = 703,570,927.74/28,503.12
  6. Step 6: Final answer
    x = 24,684.00

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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.