Home / 28,596.08-42,899.85-9,876.80

Finding the Fourth Proportional to 28,596.08, 42,899.85 and 9,876.80

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Solution

The fourth proportional to 28,596.08, 42,899.85 and 9,876.80 is: 14,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.08 : 42,899.85 = 9,876.80 : x
  2. Step 2: Convert to fraction form
    28,596.08/42,899.85 = 9,876.80/x
  3. Step 3: Cross multiply
    28,596.08x = 42,899.85 × 9,876.80
  4. Step 4: Simplify right side
    28,596.08x = 423,713,238.48
  5. Step 5: Solve for x
    x = 423,713,238.48/28,596.08
  6. Step 6: Final answer
    x = 14,817.18

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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.