Home / 40,394.32-55,725.02-28,464.22

Finding the Fourth Proportional to 40,394.32, 55,725.02 and 28,464.22

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Solution

The fourth proportional to 40,394.32, 55,725.02 and 28,464.22 is: 39,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.32 : 55,725.02 = 28,464.22 : x
  2. Step 2: Convert to fraction form
    40,394.32/55,725.02 = 28,464.22/x
  3. Step 3: Cross multiply
    40,394.32x = 55,725.02 × 28,464.22
  4. Step 4: Simplify right side
    40,394.32x = 1,586,169,228.78
  5. Step 5: Solve for x
    x = 1,586,169,228.78/40,394.32
  6. Step 6: Final answer
    x = 39,267.14

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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.