Home / 18,671.08-28,006.64-17,530.60

Finding the Fourth Proportional to 18,671.08, 28,006.64 and 17,530.60

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Solution

The fourth proportional to 18,671.08, 28,006.64 and 17,530.60 is: 26,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.08 : 28,006.64 = 17,530.60 : x
  2. Step 2: Convert to fraction form
    18,671.08/28,006.64 = 17,530.60/x
  3. Step 3: Cross multiply
    18,671.08x = 28,006.64 × 17,530.60
  4. Step 4: Simplify right side
    18,671.08x = 490,973,203.18
  5. Step 5: Solve for x
    x = 490,973,203.18/18,671.08
  6. Step 6: Final answer
    x = 26,295.92

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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.