Home / 28,677.16-42,946.52-17,246.21

Finding the Fourth Proportional to 28,677.16, 42,946.52 and 17,246.21

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Solution

The fourth proportional to 28,677.16, 42,946.52 and 17,246.21 is: 25,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.16 : 42,946.52 = 17,246.21 : x
  2. Step 2: Convert to fraction form
    28,677.16/42,946.52 = 17,246.21/x
  3. Step 3: Cross multiply
    28,677.16x = 42,946.52 × 17,246.21
  4. Step 4: Simplify right side
    28,677.16x = 740,664,509.09
  5. Step 5: Solve for x
    x = 740,664,509.09/28,677.16
  6. Step 6: Final answer
    x = 25,827.68

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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.