Home / 28,074.60-42,111.50-8,353.26

Finding the Fourth Proportional to 28,074.60, 42,111.50 and 8,353.26

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Solution

The fourth proportional to 28,074.60, 42,111.50 and 8,353.26 is: 12,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.60 : 42,111.50 = 8,353.26 : x
  2. Step 2: Convert to fraction form
    28,074.60/42,111.50 = 8,353.26/x
  3. Step 3: Cross multiply
    28,074.60x = 42,111.50 × 8,353.26
  4. Step 4: Simplify right side
    28,074.60x = 351,768,266.72
  5. Step 5: Solve for x
    x = 351,768,266.72/28,074.60
  6. Step 6: Final answer
    x = 12,529.77

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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.