Home / 28,070.21-42,096.19-9,345.21

Finding the Fourth Proportional to 28,070.21, 42,096.19 and 9,345.21

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Solution

The fourth proportional to 28,070.21, 42,096.19 and 9,345.21 is: 14,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.21 : 42,096.19 = 9,345.21 : x
  2. Step 2: Convert to fraction form
    28,070.21/42,096.19 = 9,345.21/x
  3. Step 3: Cross multiply
    28,070.21x = 42,096.19 × 9,345.21
  4. Step 4: Simplify right side
    28,070.21x = 393,397,689.02
  5. Step 5: Solve for x
    x = 393,397,689.02/28,070.21
  6. Step 6: Final answer
    x = 14,014.78

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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.