Home / 28,132.09-42,200.36-9,412.22

Finding the Fourth Proportional to 28,132.09, 42,200.36 and 9,412.22

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Solution

The fourth proportional to 28,132.09, 42,200.36 and 9,412.22 is: 14,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.09 : 42,200.36 = 9,412.22 : x
  2. Step 2: Convert to fraction form
    28,132.09/42,200.36 = 9,412.22/x
  3. Step 3: Cross multiply
    28,132.09x = 42,200.36 × 9,412.22
  4. Step 4: Simplify right side
    28,132.09x = 397,199,166.13
  5. Step 5: Solve for x
    x = 397,199,166.13/28,132.09
  6. Step 6: Final answer
    x = 14,119.08

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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.