Home / 28,688.16-43,024.92-10,215.84

Finding the Fourth Proportional to 28,688.16, 43,024.92 and 10,215.84

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Solution

The fourth proportional to 28,688.16, 43,024.92 and 10,215.84 is: 15,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.16 : 43,024.92 = 10,215.84 : x
  2. Step 2: Convert to fraction form
    28,688.16/43,024.92 = 10,215.84/x
  3. Step 3: Cross multiply
    28,688.16x = 43,024.92 × 10,215.84
  4. Step 4: Simplify right side
    28,688.16x = 439,535,698.73
  5. Step 5: Solve for x
    x = 439,535,698.73/28,688.16
  6. Step 6: Final answer
    x = 15,321.15

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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.