Home / 26,678.57-39,990.51-10,026.99

Finding the Fourth Proportional to 26,678.57, 39,990.51 and 10,026.99

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Solution

The fourth proportional to 26,678.57, 39,990.51 and 10,026.99 is: 15,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.57 : 39,990.51 = 10,026.99 : x
  2. Step 2: Convert to fraction form
    26,678.57/39,990.51 = 10,026.99/x
  3. Step 3: Cross multiply
    26,678.57x = 39,990.51 × 10,026.99
  4. Step 4: Simplify right side
    26,678.57x = 400,984,443.86
  5. Step 5: Solve for x
    x = 400,984,443.86/26,678.57
  6. Step 6: Final answer
    x = 15,030.21

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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.