Home / 26,534.03-39,787.32-7,811.63

Finding the Fourth Proportional to 26,534.03, 39,787.32 and 7,811.63

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Solution

The fourth proportional to 26,534.03, 39,787.32 and 7,811.63 is: 11,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.03 : 39,787.32 = 7,811.63 : x
  2. Step 2: Convert to fraction form
    26,534.03/39,787.32 = 7,811.63/x
  3. Step 3: Cross multiply
    26,534.03x = 39,787.32 × 7,811.63
  4. Step 4: Simplify right side
    26,534.03x = 310,803,623.60
  5. Step 5: Solve for x
    x = 310,803,623.60/26,534.03
  6. Step 6: Final answer
    x = 11,713.40

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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.