Home / 28,577.00-42,859.13-9,856.28

Finding the Fourth Proportional to 28,577.00, 42,859.13 and 9,856.28

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Solution

The fourth proportional to 28,577.00, 42,859.13 and 9,856.28 is: 14,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.00 : 42,859.13 = 9,856.28 : x
  2. Step 2: Convert to fraction form
    28,577.00/42,859.13 = 9,856.28/x
  3. Step 3: Cross multiply
    28,577.00x = 42,859.13 × 9,856.28
  4. Step 4: Simplify right side
    28,577.00x = 422,431,643.70
  5. Step 5: Solve for x
    x = 422,431,643.70/28,577.00
  6. Step 6: Final answer
    x = 14,782.22

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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.