Home / 26,438.48-39,605.40-19,872.08

Finding the Fourth Proportional to 26,438.48, 39,605.40 and 19,872.08

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Solution

The fourth proportional to 26,438.48, 39,605.40 and 19,872.08 is: 29,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.48 : 39,605.40 = 19,872.08 : x
  2. Step 2: Convert to fraction form
    26,438.48/39,605.40 = 19,872.08/x
  3. Step 3: Cross multiply
    26,438.48x = 39,605.40 × 19,872.08
  4. Step 4: Simplify right side
    26,438.48x = 787,041,677.23
  5. Step 5: Solve for x
    x = 787,041,677.23/26,438.48
  6. Step 6: Final answer
    x = 29,768.79

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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.