Home / 39,209.28-58,813.92-15,830.24

Finding the Fourth Proportional to 39,209.28, 58,813.92 and 15,830.24

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Solution

The fourth proportional to 39,209.28, 58,813.92 and 15,830.24 is: 23,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209.28 : 58,813.92 = 15,830.24 : x
  2. Step 2: Convert to fraction form
    39,209.28/58,813.92 = 15,830.24/x
  3. Step 3: Cross multiply
    39,209.28x = 58,813.92 × 15,830.24
  4. Step 4: Simplify right side
    39,209.28x = 931,038,468.94
  5. Step 5: Solve for x
    x = 931,038,468.94/39,209.28
  6. Step 6: Final answer
    x = 23,745.36

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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.