Home / 28,354.40-42,534.44-10,838.96

Finding the Fourth Proportional to 28,354.40, 42,534.44 and 10,838.96

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Solution

The fourth proportional to 28,354.40, 42,534.44 and 10,838.96 is: 16,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.40 : 42,534.44 = 10,838.96 : x
  2. Step 2: Convert to fraction form
    28,354.40/42,534.44 = 10,838.96/x
  3. Step 3: Cross multiply
    28,354.40x = 42,534.44 × 10,838.96
  4. Step 4: Simplify right side
    28,354.40x = 461,029,093.78
  5. Step 5: Solve for x
    x = 461,029,093.78/28,354.40
  6. Step 6: Final answer
    x = 16,259.53

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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.