Home / 21,804.50-32,718.56-16,883.75

Finding the Fourth Proportional to 21,804.50, 32,718.56 and 16,883.75

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Solution

The fourth proportional to 21,804.50, 32,718.56 and 16,883.75 is: 25,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.50 : 32,718.56 = 16,883.75 : x
  2. Step 2: Convert to fraction form
    21,804.50/32,718.56 = 16,883.75/x
  3. Step 3: Cross multiply
    21,804.50x = 32,718.56 × 16,883.75
  4. Step 4: Simplify right side
    21,804.50x = 552,411,987.40
  5. Step 5: Solve for x
    x = 552,411,987.40/21,804.50
  6. Step 6: Final answer
    x = 25,334.77

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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.