Home / 26,880.26-40,329.50-13,729.10

Finding the Fourth Proportional to 26,880.26, 40,329.50 and 13,729.10

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Solution

The fourth proportional to 26,880.26, 40,329.50 and 13,729.10 is: 20,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.26 : 40,329.50 = 13,729.10 : x
  2. Step 2: Convert to fraction form
    26,880.26/40,329.50 = 13,729.10/x
  3. Step 3: Cross multiply
    26,880.26x = 40,329.50 × 13,729.10
  4. Step 4: Simplify right side
    26,880.26x = 553,687,468.16
  5. Step 5: Solve for x
    x = 553,687,468.16/26,880.26
  6. Step 6: Final answer
    x = 20,598.30

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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.