Home / 28,214.64-42,327.54-8,492.22

Finding the Fourth Proportional to 28,214.64, 42,327.54 and 8,492.22

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Solution

The fourth proportional to 28,214.64, 42,327.54 and 8,492.22 is: 12,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.64 : 42,327.54 = 8,492.22 : x
  2. Step 2: Convert to fraction form
    28,214.64/42,327.54 = 8,492.22/x
  3. Step 3: Cross multiply
    28,214.64x = 42,327.54 × 8,492.22
  4. Step 4: Simplify right side
    28,214.64x = 359,454,781.74
  5. Step 5: Solve for x
    x = 359,454,781.74/28,214.64
  6. Step 6: Final answer
    x = 12,740.01

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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.