Home / 28,018.17-42,032.25-9,299.34

Finding the Fourth Proportional to 28,018.17, 42,032.25 and 9,299.34

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Solution

The fourth proportional to 28,018.17, 42,032.25 and 9,299.34 is: 13,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.17 : 42,032.25 = 9,299.34 : x
  2. Step 2: Convert to fraction form
    28,018.17/42,032.25 = 9,299.34/x
  3. Step 3: Cross multiply
    28,018.17x = 42,032.25 × 9,299.34
  4. Step 4: Simplify right side
    28,018.17x = 390,872,183.72
  5. Step 5: Solve for x
    x = 390,872,183.72/28,018.17
  6. Step 6: Final answer
    x = 13,950.67

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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.