Home / 28,364.06-39,139.58-16,431.24

Finding the Fourth Proportional to 28,364.06, 39,139.58 and 16,431.24

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Solution

The fourth proportional to 28,364.06, 39,139.58 and 16,431.24 is: 22,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.06 : 39,139.58 = 16,431.24 : x
  2. Step 2: Convert to fraction form
    28,364.06/39,139.58 = 16,431.24/x
  3. Step 3: Cross multiply
    28,364.06x = 39,139.58 × 16,431.24
  4. Step 4: Simplify right side
    28,364.06x = 643,111,832.48
  5. Step 5: Solve for x
    x = 643,111,832.48/28,364.06
  6. Step 6: Final answer
    x = 22,673.48

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Find fourth proportional to 28,365.06, 39,140.96 and 16,432.24
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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.