Home / 28,264.50-42,403.53-8,541.84

Finding the Fourth Proportional to 28,264.50, 42,403.53 and 8,541.84

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Solution

The fourth proportional to 28,264.50, 42,403.53 and 8,541.84 is: 12,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.50 : 42,403.53 = 8,541.84 : x
  2. Step 2: Convert to fraction form
    28,264.50/42,403.53 = 8,541.84/x
  3. Step 3: Cross multiply
    28,264.50x = 42,403.53 × 8,541.84
  4. Step 4: Simplify right side
    28,264.50x = 362,204,168.70
  5. Step 5: Solve for x
    x = 362,204,168.70/28,264.50
  6. Step 6: Final answer
    x = 12,814.81

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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.