Home / 28,976.16-43,483.71-10,256.12

Finding the Fourth Proportional to 28,976.16, 43,483.71 and 10,256.12

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Solution

The fourth proportional to 28,976.16, 43,483.71 and 10,256.12 is: 15,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.16 : 43,483.71 = 10,256.12 : x
  2. Step 2: Convert to fraction form
    28,976.16/43,483.71 = 10,256.12/x
  3. Step 3: Cross multiply
    28,976.16x = 43,483.71 × 10,256.12
  4. Step 4: Simplify right side
    28,976.16x = 445,974,103.07
  5. Step 5: Solve for x
    x = 445,974,103.07/28,976.16
  6. Step 6: Final answer
    x = 15,391.07

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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.