Home / 28,290.87-42,356.12-23,508.63

Finding the Fourth Proportional to 28,290.87, 42,356.12 and 23,508.63

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Solution

The fourth proportional to 28,290.87, 42,356.12 and 23,508.63 is: 35,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.87 : 42,356.12 = 23,508.63 : x
  2. Step 2: Convert to fraction form
    28,290.87/42,356.12 = 23,508.63/x
  3. Step 3: Cross multiply
    28,290.87x = 42,356.12 × 23,508.63
  4. Step 4: Simplify right side
    28,290.87x = 995,734,235.77
  5. Step 5: Solve for x
    x = 995,734,235.77/28,290.87
  6. Step 6: Final answer
    x = 35,196.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.