Home / 23,475.78-32,396.36-12,865.38

Finding the Fourth Proportional to 23,475.78, 32,396.36 and 12,865.38

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Solution

The fourth proportional to 23,475.78, 32,396.36 and 12,865.38 is: 17,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,475.78 : 32,396.36 = 12,865.38 : x
  2. Step 2: Convert to fraction form
    23,475.78/32,396.36 = 12,865.38/x
  3. Step 3: Cross multiply
    23,475.78x = 32,396.36 × 12,865.38
  4. Step 4: Simplify right side
    23,475.78x = 416,791,482.02
  5. Step 5: Solve for x
    x = 416,791,482.02/23,475.78
  6. Step 6: Final answer
    x = 17,754.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.