Home / 26,641.41-39,950.73-9,989.91

Finding the Fourth Proportional to 26,641.41, 39,950.73 and 9,989.91

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Solution

The fourth proportional to 26,641.41, 39,950.73 and 9,989.91 is: 14,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.41 : 39,950.73 = 9,989.91 : x
  2. Step 2: Convert to fraction form
    26,641.41/39,950.73 = 9,989.91/x
  3. Step 3: Cross multiply
    26,641.41x = 39,950.73 × 9,989.91
  4. Step 4: Simplify right side
    26,641.41x = 399,104,197.13
  5. Step 5: Solve for x
    x = 399,104,197.13/26,641.41
  6. Step 6: Final answer
    x = 14,980.60

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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.