Home / 52,579.44-72,561-28,708.32

Finding the Fourth Proportional to 52,579.44, 72,561 and 28,708.32

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Solution

The fourth proportional to 52,579.44, 72,561 and 28,708.32 is: 39,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.44 : 72,561 = 28,708.32 : x
  2. Step 2: Convert to fraction form
    52,579.44/72,561 = 28,708.32/x
  3. Step 3: Cross multiply
    52,579.44x = 72,561 × 28,708.32
  4. Step 4: Simplify right side
    52,579.44x = 2,083,104,407.52
  5. Step 5: Solve for x
    x = 2,083,104,407.52/52,579.44
  6. Step 6: Final answer
    x = 39,618.23

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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.