Home / 18,730.40-28,095.60-17,002.40

Finding the Fourth Proportional to 18,730.40, 28,095.60 and 17,002.40

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Solution

The fourth proportional to 18,730.40, 28,095.60 and 17,002.40 is: 25,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.40 : 28,095.60 = 17,002.40 : x
  2. Step 2: Convert to fraction form
    18,730.40/28,095.60 = 17,002.40/x
  3. Step 3: Cross multiply
    18,730.40x = 28,095.60 × 17,002.40
  4. Step 4: Simplify right side
    18,730.40x = 477,692,629.44
  5. Step 5: Solve for x
    x = 477,692,629.44/18,730.40
  6. Step 6: Final answer
    x = 25,503.60

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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.