Home / 21,977.60-32,908.80-16,102.40

Finding the Fourth Proportional to 21,977.60, 32,908.80 and 16,102.40

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Solution

The fourth proportional to 21,977.60, 32,908.80 and 16,102.40 is: 24,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.60 : 32,908.80 = 16,102.40 : x
  2. Step 2: Convert to fraction form
    21,977.60/32,908.80 = 16,102.40/x
  3. Step 3: Cross multiply
    21,977.60x = 32,908.80 × 16,102.40
  4. Step 4: Simplify right side
    21,977.60x = 529,910,661.12
  5. Step 5: Solve for x
    x = 529,910,661.12/21,977.60
  6. Step 6: Final answer
    x = 24,111.40

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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.