Home / 26,228.40-39,342.60-15,730.80

Finding the Fourth Proportional to 26,228.40, 39,342.60 and 15,730.80

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Solution

The fourth proportional to 26,228.40, 39,342.60 and 15,730.80 is: 23,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.40 : 39,342.60 = 15,730.80 : x
  2. Step 2: Convert to fraction form
    26,228.40/39,342.60 = 15,730.80/x
  3. Step 3: Cross multiply
    26,228.40x = 39,342.60 × 15,730.80
  4. Step 4: Simplify right side
    26,228.40x = 618,890,572.08
  5. Step 5: Solve for x
    x = 618,890,572.08/26,228.40
  6. Step 6: Final answer
    x = 23,596.20

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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.