Home / 39,280.96-58,921.60-15,907.84

Finding the Fourth Proportional to 39,280.96, 58,921.60 and 15,907.84

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Solution

The fourth proportional to 39,280.96, 58,921.60 and 15,907.84 is: 23,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.96 : 58,921.60 = 15,907.84 : x
  2. Step 2: Convert to fraction form
    39,280.96/58,921.60 = 15,907.84/x
  3. Step 3: Cross multiply
    39,280.96x = 58,921.60 × 15,907.84
  4. Step 4: Simplify right side
    39,280.96x = 937,315,385.34
  5. Step 5: Solve for x
    x = 937,315,385.34/39,280.96
  6. Step 6: Final answer
    x = 23,861.82

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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.