Home / 28,879.19-43,322.43-10,154.83

Finding the Fourth Proportional to 28,879.19, 43,322.43 and 10,154.83

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Solution

The fourth proportional to 28,879.19, 43,322.43 and 10,154.83 is: 15,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.19 : 43,322.43 = 10,154.83 : x
  2. Step 2: Convert to fraction form
    28,879.19/43,322.43 = 10,154.83/x
  3. Step 3: Cross multiply
    28,879.19x = 43,322.43 × 10,154.83
  4. Step 4: Simplify right side
    28,879.19x = 439,931,911.84
  5. Step 5: Solve for x
    x = 439,931,911.84/28,879.19
  6. Step 6: Final answer
    x = 15,233.53

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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.