Home / 21,380.02-32,070.28-6,588.82

Finding the Fourth Proportional to 21,380.02, 32,070.28 and 6,588.82

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Solution

The fourth proportional to 21,380.02, 32,070.28 and 6,588.82 is: 9,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.02 : 32,070.28 = 6,588.82 : x
  2. Step 2: Convert to fraction form
    21,380.02/32,070.28 = 6,588.82/x
  3. Step 3: Cross multiply
    21,380.02x = 32,070.28 × 6,588.82
  4. Step 4: Simplify right side
    21,380.02x = 211,305,302.27
  5. Step 5: Solve for x
    x = 211,305,302.27/21,380.02
  6. Step 6: Final answer
    x = 9,883.31

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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.