Home / 10,284.24-15,426.96-2,889.28

Finding the Fourth Proportional to 10,284.24, 15,426.96 and 2,889.28

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Solution

The fourth proportional to 10,284.24, 15,426.96 and 2,889.28 is: 4,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.24 : 15,426.96 = 2,889.28 : x
  2. Step 2: Convert to fraction form
    10,284.24/15,426.96 = 2,889.28/x
  3. Step 3: Cross multiply
    10,284.24x = 15,426.96 × 2,889.28
  4. Step 4: Simplify right side
    10,284.24x = 44,572,748.65
  5. Step 5: Solve for x
    x = 44,572,748.65/10,284.24
  6. Step 6: Final answer
    x = 4,334.08

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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.