Home / 17,765.85-26,643.47-14,638.10

Finding the Fourth Proportional to 17,765.85, 26,643.47 and 14,638.10

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Solution

The fourth proportional to 17,765.85, 26,643.47 and 14,638.10 is: 21,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.85 : 26,643.47 = 14,638.10 : x
  2. Step 2: Convert to fraction form
    17,765.85/26,643.47 = 14,638.10/x
  3. Step 3: Cross multiply
    17,765.85x = 26,643.47 × 14,638.10
  4. Step 4: Simplify right side
    17,765.85x = 390,009,571.80
  5. Step 5: Solve for x
    x = 390,009,571.80/17,765.85
  6. Step 6: Final answer
    x = 21,952.77

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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.