Home / 28,228.48-42,346.84-15,073.68

Finding the Fourth Proportional to 28,228.48, 42,346.84 and 15,073.68

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Solution

The fourth proportional to 28,228.48, 42,346.84 and 15,073.68 is: 22,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.48 : 42,346.84 = 15,073.68 : x
  2. Step 2: Convert to fraction form
    28,228.48/42,346.84 = 15,073.68/x
  3. Step 3: Cross multiply
    28,228.48x = 42,346.84 × 15,073.68
  4. Step 4: Simplify right side
    28,228.48x = 638,322,715.17
  5. Step 5: Solve for x
    x = 638,322,715.17/28,228.48
  6. Step 6: Final answer
    x = 22,612.72

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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.