Home / 26,079.40-39,122.70-9,435.40

Finding the Fourth Proportional to 26,079.40, 39,122.70 and 9,435.40

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Solution

The fourth proportional to 26,079.40, 39,122.70 and 9,435.40 is: 14,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.40 : 39,122.70 = 9,435.40 : x
  2. Step 2: Convert to fraction form
    26,079.40/39,122.70 = 9,435.40/x
  3. Step 3: Cross multiply
    26,079.40x = 39,122.70 × 9,435.40
  4. Step 4: Simplify right side
    26,079.40x = 369,138,323.58
  5. Step 5: Solve for x
    x = 369,138,323.58/26,079.40
  6. Step 6: Final answer
    x = 14,154.40

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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.