Home / 26,318.78-39,493.73-9,690.50

Finding the Fourth Proportional to 26,318.78, 39,493.73 and 9,690.50

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Solution

The fourth proportional to 26,318.78, 39,493.73 and 9,690.50 is: 14,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.78 : 39,493.73 = 9,690.50 : x
  2. Step 2: Convert to fraction form
    26,318.78/39,493.73 = 9,690.50/x
  3. Step 3: Cross multiply
    26,318.78x = 39,493.73 × 9,690.50
  4. Step 4: Simplify right side
    26,318.78x = 382,713,744.64
  5. Step 5: Solve for x
    x = 382,713,744.64/26,318.78
  6. Step 6: Final answer
    x = 14,541.47

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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.