Home / 28,031.94-42,047.91-10,266.21

Finding the Fourth Proportional to 28,031.94, 42,047.91 and 10,266.21

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Solution

The fourth proportional to 28,031.94, 42,047.91 and 10,266.21 is: 15,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.94 : 42,047.91 = 10,266.21 : x
  2. Step 2: Convert to fraction form
    28,031.94/42,047.91 = 10,266.21/x
  3. Step 3: Cross multiply
    28,031.94x = 42,047.91 × 10,266.21
  4. Step 4: Simplify right side
    28,031.94x = 431,672,674.12
  5. Step 5: Solve for x
    x = 431,672,674.12/28,031.94
  6. Step 6: Final answer
    x = 15,399.32

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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.