Home / 23,618.40-35,419.20-10,447.20

Finding the Fourth Proportional to 23,618.40, 35,419.20 and 10,447.20

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Solution

The fourth proportional to 23,618.40, 35,419.20 and 10,447.20 is: 15,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,618.40 : 35,419.20 = 10,447.20 : x
  2. Step 2: Convert to fraction form
    23,618.40/35,419.20 = 10,447.20/x
  3. Step 3: Cross multiply
    23,618.40x = 35,419.20 × 10,447.20
  4. Step 4: Simplify right side
    23,618.40x = 370,031,466.24
  5. Step 5: Solve for x
    x = 370,031,466.24/23,618.40
  6. Step 6: Final answer
    x = 15,667.08

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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.