Home / 28,069.96-42,099.18-10,539.40

Finding the Fourth Proportional to 28,069.96, 42,099.18 and 10,539.40

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Solution

The fourth proportional to 28,069.96, 42,099.18 and 10,539.40 is: 15,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.96 : 42,099.18 = 10,539.40 : x
  2. Step 2: Convert to fraction form
    28,069.96/42,099.18 = 10,539.40/x
  3. Step 3: Cross multiply
    28,069.96x = 42,099.18 × 10,539.40
  4. Step 4: Simplify right side
    28,069.96x = 443,700,097.69
  5. Step 5: Solve for x
    x = 443,700,097.69/28,069.96
  6. Step 6: Final answer
    x = 15,806.94

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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.