Home / 23,688.94-35,530.58-18,429.20

Finding the Fourth Proportional to 23,688.94, 35,530.58 and 18,429.20

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Solution

The fourth proportional to 23,688.94, 35,530.58 and 18,429.20 is: 27,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.94 : 35,530.58 = 18,429.20 : x
  2. Step 2: Convert to fraction form
    23,688.94/35,530.58 = 18,429.20/x
  3. Step 3: Cross multiply
    23,688.94x = 35,530.58 × 18,429.20
  4. Step 4: Simplify right side
    23,688.94x = 654,800,164.94
  5. Step 5: Solve for x
    x = 654,800,164.94/23,688.94
  6. Step 6: Final answer
    x = 27,641.60

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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.