Home / 28,035.35-42,052.75-9,316.76

Finding the Fourth Proportional to 28,035.35, 42,052.75 and 9,316.76

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Solution

The fourth proportional to 28,035.35, 42,052.75 and 9,316.76 is: 13,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.35 : 42,052.75 = 9,316.76 : x
  2. Step 2: Convert to fraction form
    28,035.35/42,052.75 = 9,316.76/x
  3. Step 3: Cross multiply
    28,035.35x = 42,052.75 × 9,316.76
  4. Step 4: Simplify right side
    28,035.35x = 391,795,145.53
  5. Step 5: Solve for x
    x = 391,795,145.53/28,035.35
  6. Step 6: Final answer
    x = 13,975.04

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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.