Home / 28,057.32-38,733.66-20,495.16

Finding the Fourth Proportional to 28,057.32, 38,733.66 and 20,495.16

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Solution

The fourth proportional to 28,057.32, 38,733.66 and 20,495.16 is: 28,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.32 : 38,733.66 = 20,495.16 : x
  2. Step 2: Convert to fraction form
    28,057.32/38,733.66 = 20,495.16/x
  3. Step 3: Cross multiply
    28,057.32x = 38,733.66 × 20,495.16
  4. Step 4: Simplify right side
    28,057.32x = 793,852,559.09
  5. Step 5: Solve for x
    x = 793,852,559.09/28,057.32
  6. Step 6: Final answer
    x = 28,293.96

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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.