Home / 21,802.50-32,715.56-16,881.75

Finding the Fourth Proportional to 21,802.50, 32,715.56 and 16,881.75

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Solution

The fourth proportional to 21,802.50, 32,715.56 and 16,881.75 is: 25,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.50 : 32,715.56 = 16,881.75 : x
  2. Step 2: Convert to fraction form
    21,802.50/32,715.56 = 16,881.75/x
  3. Step 3: Cross multiply
    21,802.50x = 32,715.56 × 16,881.75
  4. Step 4: Simplify right side
    21,802.50x = 552,295,947.23
  5. Step 5: Solve for x
    x = 552,295,947.23/21,802.50
  6. Step 6: Final answer
    x = 25,331.77

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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.