Home / 28,243.76-42,352.11-10,462.23

Finding the Fourth Proportional to 28,243.76, 42,352.11 and 10,462.23

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Solution

The fourth proportional to 28,243.76, 42,352.11 and 10,462.23 is: 15,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243.76 : 42,352.11 = 10,462.23 : x
  2. Step 2: Convert to fraction form
    28,243.76/42,352.11 = 10,462.23/x
  3. Step 3: Cross multiply
    28,243.76x = 42,352.11 × 10,462.23
  4. Step 4: Simplify right side
    28,243.76x = 443,097,515.81
  5. Step 5: Solve for x
    x = 443,097,515.81/28,243.76
  6. Step 6: Final answer
    x = 15,688.34

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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.