Home / 28,035.91-42,060.96-9,316.05

Finding the Fourth Proportional to 28,035.91, 42,060.96 and 9,316.05

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Solution

The fourth proportional to 28,035.91, 42,060.96 and 9,316.05 is: 13,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.91 : 42,060.96 = 9,316.05 : x
  2. Step 2: Convert to fraction form
    28,035.91/42,060.96 = 9,316.05/x
  3. Step 3: Cross multiply
    28,035.91x = 42,060.96 × 9,316.05
  4. Step 4: Simplify right side
    28,035.91x = 391,842,006.41
  5. Step 5: Solve for x
    x = 391,842,006.41/28,035.91
  6. Step 6: Final answer
    x = 13,976.43

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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.