Home / 22,188.33-30,577.50-15,889.77

Finding the Fourth Proportional to 22,188.33, 30,577.50 and 15,889.77

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Solution

The fourth proportional to 22,188.33, 30,577.50 and 15,889.77 is: 21,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.33 : 30,577.50 = 15,889.77 : x
  2. Step 2: Convert to fraction form
    22,188.33/30,577.50 = 15,889.77/x
  3. Step 3: Cross multiply
    22,188.33x = 30,577.50 × 15,889.77
  4. Step 4: Simplify right side
    22,188.33x = 485,869,442.18
  5. Step 5: Solve for x
    x = 485,869,442.18/22,188.33
  6. Step 6: Final answer
    x = 21,897.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.