Home / 47,025.28-64,890.16-28,161.92

Finding the Fourth Proportional to 47,025.28, 64,890.16 and 28,161.92

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Solution

The fourth proportional to 47,025.28, 64,890.16 and 28,161.92 is: 38,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,025.28 : 64,890.16 = 28,161.92 : x
  2. Step 2: Convert to fraction form
    47,025.28/64,890.16 = 28,161.92/x
  3. Step 3: Cross multiply
    47,025.28x = 64,890.16 × 28,161.92
  4. Step 4: Simplify right side
    47,025.28x = 1,827,431,494.71
  5. Step 5: Solve for x
    x = 1,827,431,494.71/47,025.28
  6. Step 6: Final answer
    x = 38,860.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.