Home / 19,267.66-28,889.61-10,820.89

Finding the Fourth Proportional to 19,267.66, 28,889.61 and 10,820.89

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Solution

The fourth proportional to 19,267.66, 28,889.61 and 10,820.89 is: 16,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.66 : 28,889.61 = 10,820.89 : x
  2. Step 2: Convert to fraction form
    19,267.66/28,889.61 = 10,820.89/x
  3. Step 3: Cross multiply
    19,267.66x = 28,889.61 × 10,820.89
  4. Step 4: Simplify right side
    19,267.66x = 312,611,291.95
  5. Step 5: Solve for x
    x = 312,611,291.95/19,267.66
  6. Step 6: Final answer
    x = 16,224.66

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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.