Home / 28,195.52-42,214.56-21,648.32

Finding the Fourth Proportional to 28,195.52, 42,214.56 and 21,648.32

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Solution

The fourth proportional to 28,195.52, 42,214.56 and 21,648.32 is: 32,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.52 : 42,214.56 = 21,648.32 : x
  2. Step 2: Convert to fraction form
    28,195.52/42,214.56 = 21,648.32/x
  3. Step 3: Cross multiply
    28,195.52x = 42,214.56 × 21,648.32
  4. Step 4: Simplify right side
    28,195.52x = 913,874,303.54
  5. Step 5: Solve for x
    x = 913,874,303.54/28,195.52
  6. Step 6: Final answer
    x = 32,412.04

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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.