Home / 28,256.14-42,354.63-9,529.72

Finding the Fourth Proportional to 28,256.14, 42,354.63 and 9,529.72

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Solution

The fourth proportional to 28,256.14, 42,354.63 and 9,529.72 is: 14,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.14 : 42,354.63 = 9,529.72 : x
  2. Step 2: Convert to fraction form
    28,256.14/42,354.63 = 9,529.72/x
  3. Step 3: Cross multiply
    28,256.14x = 42,354.63 × 9,529.72
  4. Step 4: Simplify right side
    28,256.14x = 403,627,764.60
  5. Step 5: Solve for x
    x = 403,627,764.60/28,256.14
  6. Step 6: Final answer
    x = 14,284.60

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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.