Home / 28,409.06-42,614.19-7,349.55

Finding the Fourth Proportional to 28,409.06, 42,614.19 and 7,349.55

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Solution

The fourth proportional to 28,409.06, 42,614.19 and 7,349.55 is: 11,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.06 : 42,614.19 = 7,349.55 : x
  2. Step 2: Convert to fraction form
    28,409.06/42,614.19 = 7,349.55/x
  3. Step 3: Cross multiply
    28,409.06x = 42,614.19 × 7,349.55
  4. Step 4: Simplify right side
    28,409.06x = 313,195,120.11
  5. Step 5: Solve for x
    x = 313,195,120.11/28,409.06
  6. Step 6: Final answer
    x = 11,024.48

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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.