Home / 15,965.55-23,928.89-13,985.91

Finding the Fourth Proportional to 15,965.55, 23,928.89 and 13,985.91

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Solution

The fourth proportional to 15,965.55, 23,928.89 and 13,985.91 is: 20,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.55 : 23,928.89 = 13,985.91 : x
  2. Step 2: Convert to fraction form
    15,965.55/23,928.89 = 13,985.91/x
  3. Step 3: Cross multiply
    15,965.55x = 23,928.89 × 13,985.91
  4. Step 4: Simplify right side
    15,965.55x = 334,667,232.01
  5. Step 5: Solve for x
    x = 334,667,232.01/15,965.55
  6. Step 6: Final answer
    x = 20,961.84

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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.