Home / 21,765.57-32,648.35-14,368.29

Finding the Fourth Proportional to 21,765.57, 32,648.35 and 14,368.29

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Solution

The fourth proportional to 21,765.57, 32,648.35 and 14,368.29 is: 21,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.57 : 32,648.35 = 14,368.29 : x
  2. Step 2: Convert to fraction form
    21,765.57/32,648.35 = 14,368.29/x
  3. Step 3: Cross multiply
    21,765.57x = 32,648.35 × 14,368.29
  4. Step 4: Simplify right side
    21,765.57x = 469,100,960.82
  5. Step 5: Solve for x
    x = 469,100,960.82/21,765.57
  6. Step 6: Final answer
    x = 21,552.43

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1.5x scale

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.