Home / 18,027.04-24,863.61-15,513.40

Finding the Fourth Proportional to 18,027.04, 24,863.61 and 15,513.40

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Solution

The fourth proportional to 18,027.04, 24,863.61 and 15,513.40 is: 21,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.04 : 24,863.61 = 15,513.40 : x
  2. Step 2: Convert to fraction form
    18,027.04/24,863.61 = 15,513.40/x
  3. Step 3: Cross multiply
    18,027.04x = 24,863.61 × 15,513.40
  4. Step 4: Simplify right side
    18,027.04x = 385,719,127.37
  5. Step 5: Solve for x
    x = 385,719,127.37/18,027.04
  6. Step 6: Final answer
    x = 21,396.70

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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.