Home / 28,981.46-43,475.83-10,257.09

Finding the Fourth Proportional to 28,981.46, 43,475.83 and 10,257.09

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Solution

The fourth proportional to 28,981.46, 43,475.83 and 10,257.09 is: 15,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.46 : 43,475.83 = 10,257.09 : x
  2. Step 2: Convert to fraction form
    28,981.46/43,475.83 = 10,257.09/x
  3. Step 3: Cross multiply
    28,981.46x = 43,475.83 × 10,257.09
  4. Step 4: Simplify right side
    28,981.46x = 445,935,501.13
  5. Step 5: Solve for x
    x = 445,935,501.13/28,981.46
  6. Step 6: Final answer
    x = 15,386.92

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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.