Home / 20,009.26-30,032.08-10,657.12

Finding the Fourth Proportional to 20,009.26, 30,032.08 and 10,657.12

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Solution

The fourth proportional to 20,009.26, 30,032.08 and 10,657.12 is: 15,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.26 : 30,032.08 = 10,657.12 : x
  2. Step 2: Convert to fraction form
    20,009.26/30,032.08 = 10,657.12/x
  3. Step 3: Cross multiply
    20,009.26x = 30,032.08 × 10,657.12
  4. Step 4: Simplify right side
    20,009.26x = 320,055,480.41
  5. Step 5: Solve for x
    x = 320,055,480.41/20,009.26
  6. Step 6: Final answer
    x = 15,995.37

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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.