Home / 26,290.45-39,423.12-14,440.15

Finding the Fourth Proportional to 26,290.45, 39,423.12 and 14,440.15

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Solution

The fourth proportional to 26,290.45, 39,423.12 and 14,440.15 is: 21,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.45 : 39,423.12 = 14,440.15 : x
  2. Step 2: Convert to fraction form
    26,290.45/39,423.12 = 14,440.15/x
  3. Step 3: Cross multiply
    26,290.45x = 39,423.12 × 14,440.15
  4. Step 4: Simplify right side
    26,290.45x = 569,275,766.27
  5. Step 5: Solve for x
    x = 569,275,766.27/26,290.45
  6. Step 6: Final answer
    x = 21,653.33

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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.