Home / 27,319.32-40,888.76-19,298.50

Finding the Fourth Proportional to 27,319.32, 40,888.76 and 19,298.50

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Solution

The fourth proportional to 27,319.32, 40,888.76 and 19,298.50 is: 28,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.32 : 40,888.76 = 19,298.50 : x
  2. Step 2: Convert to fraction form
    27,319.32/40,888.76 = 19,298.50/x
  3. Step 3: Cross multiply
    27,319.32x = 40,888.76 × 19,298.50
  4. Step 4: Simplify right side
    27,319.32x = 789,091,734.86
  5. Step 5: Solve for x
    x = 789,091,734.86/27,319.32
  6. Step 6: Final answer
    x = 28,884.02

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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.