Home / 26,401.20-39,601.80-26,012.40

Finding the Fourth Proportional to 26,401.20, 39,601.80 and 26,012.40

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Solution

The fourth proportional to 26,401.20, 39,601.80 and 26,012.40 is: 39,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.20 : 39,601.80 = 26,012.40 : x
  2. Step 2: Convert to fraction form
    26,401.20/39,601.80 = 26,012.40/x
  3. Step 3: Cross multiply
    26,401.20x = 39,601.80 × 26,012.40
  4. Step 4: Simplify right side
    26,401.20x = 1,030,137,862.32
  5. Step 5: Solve for x
    x = 1,030,137,862.32/26,401.20
  6. Step 6: Final answer
    x = 39,018.60

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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.