Home / 28,410.30-42,615.45-7,350.30

Finding the Fourth Proportional to 28,410.30, 42,615.45 and 7,350.30

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Solution

The fourth proportional to 28,410.30, 42,615.45 and 7,350.30 is: 11,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.30 : 42,615.45 = 7,350.30 : x
  2. Step 2: Convert to fraction form
    28,410.30/42,615.45 = 7,350.30/x
  3. Step 3: Cross multiply
    28,410.30x = 42,615.45 × 7,350.30
  4. Step 4: Simplify right side
    28,410.30x = 313,236,342.14
  5. Step 5: Solve for x
    x = 313,236,342.14/28,410.30
  6. Step 6: Final answer
    x = 11,025.45

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Similar ratio
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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.