Home / 28,549.82-42,800.12-11,031.94

Finding the Fourth Proportional to 28,549.82, 42,800.12 and 11,031.94

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Solution

The fourth proportional to 28,549.82, 42,800.12 and 11,031.94 is: 16,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.82 : 42,800.12 = 11,031.94 : x
  2. Step 2: Convert to fraction form
    28,549.82/42,800.12 = 11,031.94/x
  3. Step 3: Cross multiply
    28,549.82x = 42,800.12 × 11,031.94
  4. Step 4: Simplify right side
    28,549.82x = 472,168,355.83
  5. Step 5: Solve for x
    x = 472,168,355.83/28,549.82
  6. Step 6: Final answer
    x = 16,538.40

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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.