Home / 28,335.20-42,405.60-26,002.40

Finding the Fourth Proportional to 28,335.20, 42,405.60 and 26,002.40

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Solution

The fourth proportional to 28,335.20, 42,405.60 and 26,002.40 is: 38,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.20 : 42,405.60 = 26,002.40 : x
  2. Step 2: Convert to fraction form
    28,335.20/42,405.60 = 26,002.40/x
  3. Step 3: Cross multiply
    28,335.20x = 42,405.60 × 26,002.40
  4. Step 4: Simplify right side
    28,335.20x = 1,102,647,373.44
  5. Step 5: Solve for x
    x = 1,102,647,373.44/28,335.20
  6. Step 6: Final answer
    x = 38,914.40

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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.