Home / 26,617.21-39,877.31-15,490.17

Finding the Fourth Proportional to 26,617.21, 39,877.31 and 15,490.17

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Solution

The fourth proportional to 26,617.21, 39,877.31 and 15,490.17 is: 23,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.21 : 39,877.31 = 15,490.17 : x
  2. Step 2: Convert to fraction form
    26,617.21/39,877.31 = 15,490.17/x
  3. Step 3: Cross multiply
    26,617.21x = 39,877.31 × 15,490.17
  4. Step 4: Simplify right side
    26,617.21x = 617,706,349.77
  5. Step 5: Solve for x
    x = 617,706,349.77/26,617.21
  6. Step 6: Final answer
    x = 23,207.03

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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.