Home / 28,330.11-42,503.37-10,801.32

Finding the Fourth Proportional to 28,330.11, 42,503.37 and 10,801.32

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Solution

The fourth proportional to 28,330.11, 42,503.37 and 10,801.32 is: 16,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.11 : 42,503.37 = 10,801.32 : x
  2. Step 2: Convert to fraction form
    28,330.11/42,503.37 = 10,801.32/x
  3. Step 3: Cross multiply
    28,330.11x = 42,503.37 × 10,801.32
  4. Step 4: Simplify right side
    28,330.11x = 459,092,500.45
  5. Step 5: Solve for x
    x = 459,092,500.45/28,330.11
  6. Step 6: Final answer
    x = 16,205.11

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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.