Home / 23,222.08-32,032.56-21,666.88

Finding the Fourth Proportional to 23,222.08, 32,032.56 and 21,666.88

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Solution

The fourth proportional to 23,222.08, 32,032.56 and 21,666.88 is: 29,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,222.08 : 32,032.56 = 21,666.88 : x
  2. Step 2: Convert to fraction form
    23,222.08/32,032.56 = 21,666.88/x
  3. Step 3: Cross multiply
    23,222.08x = 32,032.56 × 21,666.88
  4. Step 4: Simplify right side
    23,222.08x = 694,045,633.61
  5. Step 5: Solve for x
    x = 694,045,633.61/23,222.08
  6. Step 6: Final answer
    x = 29,887.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.