Home / 21,910.95-32,838.21-19,088.37

Finding the Fourth Proportional to 21,910.95, 32,838.21 and 19,088.37

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Solution

The fourth proportional to 21,910.95, 32,838.21 and 19,088.37 is: 28,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.95 : 32,838.21 = 19,088.37 : x
  2. Step 2: Convert to fraction form
    21,910.95/32,838.21 = 19,088.37/x
  3. Step 3: Cross multiply
    21,910.95x = 32,838.21 × 19,088.37
  4. Step 4: Simplify right side
    21,910.95x = 626,827,902.62
  5. Step 5: Solve for x
    x = 626,827,902.62/21,910.95
  6. Step 6: Final answer
    x = 28,607.97

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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.