Home / 28,296.32-39,066.02-18,744.34

Finding the Fourth Proportional to 28,296.32, 39,066.02 and 18,744.34

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Solution

The fourth proportional to 28,296.32, 39,066.02 and 18,744.34 is: 25,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.32 : 39,066.02 = 18,744.34 : x
  2. Step 2: Convert to fraction form
    28,296.32/39,066.02 = 18,744.34/x
  3. Step 3: Cross multiply
    28,296.32x = 39,066.02 × 18,744.34
  4. Step 4: Simplify right side
    28,296.32x = 732,266,761.33
  5. Step 5: Solve for x
    x = 732,266,761.33/28,296.32
  6. Step 6: Final answer
    x = 25,878.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.