Home / 28,064.07-42,096.15-18,722.34

Finding the Fourth Proportional to 28,064.07, 42,096.15 and 18,722.34

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Solution

The fourth proportional to 28,064.07, 42,096.15 and 18,722.34 is: 28,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.07 : 42,096.15 = 18,722.34 : x
  2. Step 2: Convert to fraction form
    28,064.07/42,096.15 = 18,722.34/x
  3. Step 3: Cross multiply
    28,064.07x = 42,096.15 × 18,722.34
  4. Step 4: Simplify right side
    28,064.07x = 788,138,432.99
  5. Step 5: Solve for x
    x = 788,138,432.99/28,064.07
  6. Step 6: Final answer
    x = 28,083.54

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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.