Home / 26,478.87-39,724.02-8,948.31

Finding the Fourth Proportional to 26,478.87, 39,724.02 and 8,948.31

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Solution

The fourth proportional to 26,478.87, 39,724.02 and 8,948.31 is: 13,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.87 : 39,724.02 = 8,948.31 : x
  2. Step 2: Convert to fraction form
    26,478.87/39,724.02 = 8,948.31/x
  3. Step 3: Cross multiply
    26,478.87x = 39,724.02 × 8,948.31
  4. Step 4: Simplify right side
    26,478.87x = 355,462,845.41
  5. Step 5: Solve for x
    x = 355,462,845.41/26,478.87
  6. Step 6: Final answer
    x = 13,424.40

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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.