Home / 21,577.64-32,355.52-9,880.83

Finding the Fourth Proportional to 21,577.64, 32,355.52 and 9,880.83

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Solution

The fourth proportional to 21,577.64, 32,355.52 and 9,880.83 is: 14,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.64 : 32,355.52 = 9,880.83 : x
  2. Step 2: Convert to fraction form
    21,577.64/32,355.52 = 9,880.83/x
  3. Step 3: Cross multiply
    21,577.64x = 32,355.52 × 9,880.83
  4. Step 4: Simplify right side
    21,577.64x = 319,699,367.98
  5. Step 5: Solve for x
    x = 319,699,367.98/21,577.64
  6. Step 6: Final answer
    x = 14,816.24

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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.