Home / 26,549.50-39,838.13-10,756.21

Finding the Fourth Proportional to 26,549.50, 39,838.13 and 10,756.21

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Solution

The fourth proportional to 26,549.50, 39,838.13 and 10,756.21 is: 16,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.50 : 39,838.13 = 10,756.21 : x
  2. Step 2: Convert to fraction form
    26,549.50/39,838.13 = 10,756.21/x
  3. Step 3: Cross multiply
    26,549.50x = 39,838.13 × 10,756.21
  4. Step 4: Simplify right side
    26,549.50x = 428,507,314.45
  5. Step 5: Solve for x
    x = 428,507,314.45/26,549.50
  6. Step 6: Final answer
    x = 16,139.94

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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.