Home / 21,607.90-32,411.88-14,245.25

Finding the Fourth Proportional to 21,607.90, 32,411.88 and 14,245.25

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Solution

The fourth proportional to 21,607.90, 32,411.88 and 14,245.25 is: 21,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.90 : 32,411.88 = 14,245.25 : x
  2. Step 2: Convert to fraction form
    21,607.90/32,411.88 = 14,245.25/x
  3. Step 3: Cross multiply
    21,607.90x = 32,411.88 × 14,245.25
  4. Step 4: Simplify right side
    21,607.90x = 461,715,171.51
  5. Step 5: Solve for x
    x = 461,715,171.51/21,607.90
  6. Step 6: Final answer
    x = 21,367.89

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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.