Home / 21,969.36-32,961.36-14,602.80

Finding the Fourth Proportional to 21,969.36, 32,961.36 and 14,602.80

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Solution

The fourth proportional to 21,969.36, 32,961.36 and 14,602.80 is: 21,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.36 : 32,961.36 = 14,602.80 : x
  2. Step 2: Convert to fraction form
    21,969.36/32,961.36 = 14,602.80/x
  3. Step 3: Cross multiply
    21,969.36x = 32,961.36 × 14,602.80
  4. Step 4: Simplify right side
    21,969.36x = 481,328,147.81
  5. Step 5: Solve for x
    x = 481,328,147.81/21,969.36
  6. Step 6: Final answer
    x = 21,909.07

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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.