Home / 26,281.72-39,427.04-11,490.31

Finding the Fourth Proportional to 26,281.72, 39,427.04 and 11,490.31

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Solution

The fourth proportional to 26,281.72, 39,427.04 and 11,490.31 is: 17,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.72 : 39,427.04 = 11,490.31 : x
  2. Step 2: Convert to fraction form
    26,281.72/39,427.04 = 11,490.31/x
  3. Step 3: Cross multiply
    26,281.72x = 39,427.04 × 11,490.31
  4. Step 4: Simplify right side
    26,281.72x = 453,028,911.98
  5. Step 5: Solve for x
    x = 453,028,911.98/26,281.72
  6. Step 6: Final answer
    x = 17,237.41

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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.