Home / 26,438.94-36,478.96-15,821.06

Finding the Fourth Proportional to 26,438.94, 36,478.96 and 15,821.06

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Solution

The fourth proportional to 26,438.94, 36,478.96 and 15,821.06 is: 21,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.94 : 36,478.96 = 15,821.06 : x
  2. Step 2: Convert to fraction form
    26,438.94/36,478.96 = 15,821.06/x
  3. Step 3: Cross multiply
    26,438.94x = 36,478.96 × 15,821.06
  4. Step 4: Simplify right side
    26,438.94x = 577,135,592.95
  5. Step 5: Solve for x
    x = 577,135,592.95/26,438.94
  6. Step 6: Final answer
    x = 21,829.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.