Home / 28,475.04-42,718.44-9,756.48

Finding the Fourth Proportional to 28,475.04, 42,718.44 and 9,756.48

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Solution

The fourth proportional to 28,475.04, 42,718.44 and 9,756.48 is: 14,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.04 : 42,718.44 = 9,756.48 : x
  2. Step 2: Convert to fraction form
    28,475.04/42,718.44 = 9,756.48/x
  3. Step 3: Cross multiply
    28,475.04x = 42,718.44 × 9,756.48
  4. Step 4: Simplify right side
    28,475.04x = 416,781,605.49
  5. Step 5: Solve for x
    x = 416,781,605.49/28,475.04
  6. Step 6: Final answer
    x = 14,636.73

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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.