Home / 28,304.46-42,455.16-11,664.18

Finding the Fourth Proportional to 28,304.46, 42,455.16 and 11,664.18

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Solution

The fourth proportional to 28,304.46, 42,455.16 and 11,664.18 is: 17,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.46 : 42,455.16 = 11,664.18 : x
  2. Step 2: Convert to fraction form
    28,304.46/42,455.16 = 11,664.18/x
  3. Step 3: Cross multiply
    28,304.46x = 42,455.16 × 11,664.18
  4. Step 4: Simplify right side
    28,304.46x = 495,204,628.17
  5. Step 5: Solve for x
    x = 495,204,628.17/28,304.46
  6. Step 6: Final answer
    x = 17,495.64

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1.5x scale

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.