Home / 26,787.65-40,176.90-7,066.40

Finding the Fourth Proportional to 26,787.65, 40,176.90 and 7,066.40

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Solution

The fourth proportional to 26,787.65, 40,176.90 and 7,066.40 is: 10,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.65 : 40,176.90 = 7,066.40 : x
  2. Step 2: Convert to fraction form
    26,787.65/40,176.90 = 7,066.40/x
  3. Step 3: Cross multiply
    26,787.65x = 40,176.90 × 7,066.40
  4. Step 4: Simplify right side
    26,787.65x = 283,905,845.28
  5. Step 5: Solve for x
    x = 283,905,845.28/26,787.65
  6. Step 6: Final answer
    x = 10,598.39

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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.