Home / 28,462.08-42,649.92-15,977.28

Finding the Fourth Proportional to 28,462.08, 42,649.92 and 15,977.28

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Solution

The fourth proportional to 28,462.08, 42,649.92 and 15,977.28 is: 23,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.08 : 42,649.92 = 15,977.28 : x
  2. Step 2: Convert to fraction form
    28,462.08/42,649.92 = 15,977.28/x
  3. Step 3: Cross multiply
    28,462.08x = 42,649.92 × 15,977.28
  4. Step 4: Simplify right side
    28,462.08x = 681,429,713.82
  5. Step 5: Solve for x
    x = 681,429,713.82/28,462.08
  6. Step 6: Final answer
    x = 23,941.67

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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.