Home / 21,765.87-32,648.81-14,368.60

Finding the Fourth Proportional to 21,765.87, 32,648.81 and 14,368.60

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Solution

The fourth proportional to 21,765.87, 32,648.81 and 14,368.60 is: 21,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.87 : 32,648.81 = 14,368.60 : x
  2. Step 2: Convert to fraction form
    21,765.87/32,648.81 = 14,368.60/x
  3. Step 3: Cross multiply
    21,765.87x = 32,648.81 × 14,368.60
  4. Step 4: Simplify right side
    21,765.87x = 469,117,691.37
  5. Step 5: Solve for x
    x = 469,117,691.37/21,765.87
  6. Step 6: Final answer
    x = 21,552.90

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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.