Home / 28,630.16-42,935.52-11,095.28

Finding the Fourth Proportional to 28,630.16, 42,935.52 and 11,095.28

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Solution

The fourth proportional to 28,630.16, 42,935.52 and 11,095.28 is: 16,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.16 : 42,935.52 = 11,095.28 : x
  2. Step 2: Convert to fraction form
    28,630.16/42,935.52 = 11,095.28/x
  3. Step 3: Cross multiply
    28,630.16x = 42,935.52 × 11,095.28
  4. Step 4: Simplify right side
    28,630.16x = 476,381,616.35
  5. Step 5: Solve for x
    x = 476,381,616.35/28,630.16
  6. Step 6: Final answer
    x = 16,639.15

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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.