Home / 28,184.16-42,277.84-10,652.48

Finding the Fourth Proportional to 28,184.16, 42,277.84 and 10,652.48

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Solution

The fourth proportional to 28,184.16, 42,277.84 and 10,652.48 is: 15,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.16 : 42,277.84 = 10,652.48 : x
  2. Step 2: Convert to fraction form
    28,184.16/42,277.84 = 10,652.48/x
  3. Step 3: Cross multiply
    28,184.16x = 42,277.84 × 10,652.48
  4. Step 4: Simplify right side
    28,184.16x = 450,363,845.04
  5. Step 5: Solve for x
    x = 450,363,845.04/28,184.16
  6. Step 6: Final answer
    x = 15,979.32

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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.