Home / 28,193.52-42,222.90-15,682.48

Finding the Fourth Proportional to 28,193.52, 42,222.90 and 15,682.48

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Solution

The fourth proportional to 28,193.52, 42,222.90 and 15,682.48 is: 23,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.52 : 42,222.90 = 15,682.48 : x
  2. Step 2: Convert to fraction form
    28,193.52/42,222.90 = 15,682.48/x
  3. Step 3: Cross multiply
    28,193.52x = 42,222.90 × 15,682.48
  4. Step 4: Simplify right side
    28,193.52x = 662,159,784.79
  5. Step 5: Solve for x
    x = 662,159,784.79/28,193.52
  6. Step 6: Final answer
    x = 23,486.24

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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.