Home / 28,206.49-42,265.23-10,412.66

Finding the Fourth Proportional to 28,206.49, 42,265.23 and 10,412.66

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Solution

The fourth proportional to 28,206.49, 42,265.23 and 10,412.66 is: 15,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.49 : 42,265.23 = 10,412.66 : x
  2. Step 2: Convert to fraction form
    28,206.49/42,265.23 = 10,412.66/x
  3. Step 3: Cross multiply
    28,206.49x = 42,265.23 × 10,412.66
  4. Step 4: Simplify right side
    28,206.49x = 440,093,469.81
  5. Step 5: Solve for x
    x = 440,093,469.81/28,206.49
  6. Step 6: Final answer
    x = 15,602.56

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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.