Home / 28,808.04-43,186.50-15,488.19

Finding the Fourth Proportional to 28,808.04, 43,186.50 and 15,488.19

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Solution

The fourth proportional to 28,808.04, 43,186.50 and 15,488.19 is: 23,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.04 : 43,186.50 = 15,488.19 : x
  2. Step 2: Convert to fraction form
    28,808.04/43,186.50 = 15,488.19/x
  3. Step 3: Cross multiply
    28,808.04x = 43,186.50 × 15,488.19
  4. Step 4: Simplify right side
    28,808.04x = 668,880,680.63
  5. Step 5: Solve for x
    x = 668,880,680.63/28,808.04
  6. Step 6: Final answer
    x = 23,218.54

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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.