Home / 28,221.93-42,334.65-9,500.40

Finding the Fourth Proportional to 28,221.93, 42,334.65 and 9,500.40

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Solution

The fourth proportional to 28,221.93, 42,334.65 and 9,500.40 is: 14,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.93 : 42,334.65 = 9,500.40 : x
  2. Step 2: Convert to fraction form
    28,221.93/42,334.65 = 9,500.40/x
  3. Step 3: Cross multiply
    28,221.93x = 42,334.65 × 9,500.40
  4. Step 4: Simplify right side
    28,221.93x = 402,196,108.86
  5. Step 5: Solve for x
    x = 402,196,108.86/28,221.93
  6. Step 6: Final answer
    x = 14,251.19

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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.