Home / 38,778.64-58,157.31-10,692.10

Finding the Fourth Proportional to 38,778.64, 58,157.31 and 10,692.10

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Solution

The fourth proportional to 38,778.64, 58,157.31 and 10,692.10 is: 16,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.64 : 58,157.31 = 10,692.10 : x
  2. Step 2: Convert to fraction form
    38,778.64/58,157.31 = 10,692.10/x
  3. Step 3: Cross multiply
    38,778.64x = 58,157.31 × 10,692.10
  4. Step 4: Simplify right side
    38,778.64x = 621,823,774.25
  5. Step 5: Solve for x
    x = 621,823,774.25/38,778.64
  6. Step 6: Final answer
    x = 16,035.21

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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.