Home / 28,253.63-42,380.45-11,622.71

Finding the Fourth Proportional to 28,253.63, 42,380.45 and 11,622.71

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Solution

The fourth proportional to 28,253.63, 42,380.45 and 11,622.71 is: 17,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.63 : 42,380.45 = 11,622.71 : x
  2. Step 2: Convert to fraction form
    28,253.63/42,380.45 = 11,622.71/x
  3. Step 3: Cross multiply
    28,253.63x = 42,380.45 × 11,622.71
  4. Step 4: Simplify right side
    28,253.63x = 492,575,410.00
  5. Step 5: Solve for x
    x = 492,575,410.00/28,253.63
  6. Step 6: Final answer
    x = 17,434.06

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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.