Home / 28,222.58-42,325.22-19,513.46

Finding the Fourth Proportional to 28,222.58, 42,325.22 and 19,513.46

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Solution

The fourth proportional to 28,222.58, 42,325.22 and 19,513.46 is: 29,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.58 : 42,325.22 = 19,513.46 : x
  2. Step 2: Convert to fraction form
    28,222.58/42,325.22 = 19,513.46/x
  3. Step 3: Cross multiply
    28,222.58x = 42,325.22 × 19,513.46
  4. Step 4: Simplify right side
    28,222.58x = 825,911,487.46
  5. Step 5: Solve for x
    x = 825,911,487.46/28,222.58
  6. Step 6: Final answer
    x = 29,264.21

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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.