Home / 28,096.86-42,145.28-15,610.90

Finding the Fourth Proportional to 28,096.86, 42,145.28 and 15,610.90

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Solution

The fourth proportional to 28,096.86, 42,145.28 and 15,610.90 is: 23,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.86 : 42,145.28 = 15,610.90 : x
  2. Step 2: Convert to fraction form
    28,096.86/42,145.28 = 15,610.90/x
  3. Step 3: Cross multiply
    28,096.86x = 42,145.28 × 15,610.90
  4. Step 4: Simplify right side
    28,096.86x = 657,925,751.55
  5. Step 5: Solve for x
    x = 657,925,751.55/28,096.86
  6. Step 6: Final answer
    x = 23,416.34

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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.