Home / 26,261.65-39,363.21-13,783.09

Finding the Fourth Proportional to 26,261.65, 39,363.21 and 13,783.09

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Solution

The fourth proportional to 26,261.65, 39,363.21 and 13,783.09 is: 20,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.65 : 39,363.21 = 13,783.09 : x
  2. Step 2: Convert to fraction form
    26,261.65/39,363.21 = 13,783.09/x
  3. Step 3: Cross multiply
    26,261.65x = 39,363.21 × 13,783.09
  4. Step 4: Simplify right side
    26,261.65x = 542,546,666.12
  5. Step 5: Solve for x
    x = 542,546,666.12/26,261.65
  6. Step 6: Final answer
    x = 20,659.28

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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.