Home / 26,970.28-40,455.75-10,331.31

Finding the Fourth Proportional to 26,970.28, 40,455.75 and 10,331.31

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Solution

The fourth proportional to 26,970.28, 40,455.75 and 10,331.31 is: 15,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.28 : 40,455.75 = 10,331.31 : x
  2. Step 2: Convert to fraction form
    26,970.28/40,455.75 = 10,331.31/x
  3. Step 3: Cross multiply
    26,970.28x = 40,455.75 × 10,331.31
  4. Step 4: Simplify right side
    26,970.28x = 417,961,084.98
  5. Step 5: Solve for x
    x = 417,961,084.98/26,970.28
  6. Step 6: Final answer
    x = 15,497.10

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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.