Home / 27,785.12-41,681.34-10,267.28

Finding the Fourth Proportional to 27,785.12, 41,681.34 and 10,267.28

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Solution

The fourth proportional to 27,785.12, 41,681.34 and 10,267.28 is: 15,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.12 : 41,681.34 = 10,267.28 : x
  2. Step 2: Convert to fraction form
    27,785.12/41,681.34 = 10,267.28/x
  3. Step 3: Cross multiply
    27,785.12x = 41,681.34 × 10,267.28
  4. Step 4: Simplify right side
    27,785.12x = 427,953,988.56
  5. Step 5: Solve for x
    x = 427,953,988.56/27,785.12
  6. Step 6: Final answer
    x = 15,402.27

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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.