Home / 28,347.32-42,527.10-8,627.42

Finding the Fourth Proportional to 28,347.32, 42,527.10 and 8,627.42

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Solution

The fourth proportional to 28,347.32, 42,527.10 and 8,627.42 is: 12,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.32 : 42,527.10 = 8,627.42 : x
  2. Step 2: Convert to fraction form
    28,347.32/42,527.10 = 8,627.42/x
  3. Step 3: Cross multiply
    28,347.32x = 42,527.10 × 8,627.42
  4. Step 4: Simplify right side
    28,347.32x = 366,899,153.08
  5. Step 5: Solve for x
    x = 366,899,153.08/28,347.32
  6. Step 6: Final answer
    x = 12,942.99

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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.