Home / 26,935.80-40,427.70-15,828.60

Finding the Fourth Proportional to 26,935.80, 40,427.70 and 15,828.60

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Solution

The fourth proportional to 26,935.80, 40,427.70 and 15,828.60 is: 23,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.80 : 40,427.70 = 15,828.60 : x
  2. Step 2: Convert to fraction form
    26,935.80/40,427.70 = 15,828.60/x
  3. Step 3: Cross multiply
    26,935.80x = 40,427.70 × 15,828.60
  4. Step 4: Simplify right side
    26,935.80x = 639,913,892.22
  5. Step 5: Solve for x
    x = 639,913,892.22/26,935.80
  6. Step 6: Final answer
    x = 23,757.00

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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.