Home / 28,323.92-39,068.52-18,891.92

Finding the Fourth Proportional to 28,323.92, 39,068.52 and 18,891.92

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Solution

The fourth proportional to 28,323.92, 39,068.52 and 18,891.92 is: 26,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.92 : 39,068.52 = 18,891.92 : x
  2. Step 2: Convert to fraction form
    28,323.92/39,068.52 = 18,891.92/x
  3. Step 3: Cross multiply
    28,323.92x = 39,068.52 × 18,891.92
  4. Step 4: Simplify right side
    28,323.92x = 738,079,354.36
  5. Step 5: Solve for x
    x = 738,079,354.36/28,323.92
  6. Step 6: Final answer
    x = 26,058.52

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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.