Home / 28,057.60-42,086.40-26,329.60

Finding the Fourth Proportional to 28,057.60, 42,086.40 and 26,329.60

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Solution

The fourth proportional to 28,057.60, 42,086.40 and 26,329.60 is: 39,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.60 : 42,086.40 = 26,329.60 : x
  2. Step 2: Convert to fraction form
    28,057.60/42,086.40 = 26,329.60/x
  3. Step 3: Cross multiply
    28,057.60x = 42,086.40 × 26,329.60
  4. Step 4: Simplify right side
    28,057.60x = 1,108,118,077.44
  5. Step 5: Solve for x
    x = 1,108,118,077.44/28,057.60
  6. Step 6: Final answer
    x = 39,494.40

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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.