Home / 21,520.08-32,312.93-17,845.92

Finding the Fourth Proportional to 21,520.08, 32,312.93 and 17,845.92

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Solution

The fourth proportional to 21,520.08, 32,312.93 and 17,845.92 is: 26,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.08 : 32,312.93 = 17,845.92 : x
  2. Step 2: Convert to fraction form
    21,520.08/32,312.93 = 17,845.92/x
  3. Step 3: Cross multiply
    21,520.08x = 32,312.93 × 17,845.92
  4. Step 4: Simplify right side
    21,520.08x = 576,653,874.52
  5. Step 5: Solve for x
    x = 576,653,874.52/21,520.08
  6. Step 6: Final answer
    x = 26,796.08

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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.