Home / 21,801.66-32,702.30-14,439.06

Finding the Fourth Proportional to 21,801.66, 32,702.30 and 14,439.06

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Solution

The fourth proportional to 21,801.66, 32,702.30 and 14,439.06 is: 21,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.66 : 32,702.30 = 14,439.06 : x
  2. Step 2: Convert to fraction form
    21,801.66/32,702.30 = 14,439.06/x
  3. Step 3: Cross multiply
    21,801.66x = 32,702.30 × 14,439.06
  4. Step 4: Simplify right side
    21,801.66x = 472,190,471.84
  5. Step 5: Solve for x
    x = 472,190,471.84/21,801.66
  6. Step 6: Final answer
    x = 21,658.46

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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.