Home / 26,671.02-39,981.80-9,136.68

Finding the Fourth Proportional to 26,671.02, 39,981.80 and 9,136.68

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Solution

The fourth proportional to 26,671.02, 39,981.80 and 9,136.68 is: 13,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.02 : 39,981.80 = 9,136.68 : x
  2. Step 2: Convert to fraction form
    26,671.02/39,981.80 = 9,136.68/x
  3. Step 3: Cross multiply
    26,671.02x = 39,981.80 × 9,136.68
  4. Step 4: Simplify right side
    26,671.02x = 365,300,912.42
  5. Step 5: Solve for x
    x = 365,300,912.42/26,671.02
  6. Step 6: Final answer
    x = 13,696.55

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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.