Home / 28,026.91-42,025.60-8,302.57

Finding the Fourth Proportional to 28,026.91, 42,025.60 and 8,302.57

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Solution

The fourth proportional to 28,026.91, 42,025.60 and 8,302.57 is: 12,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.91 : 42,025.60 = 8,302.57 : x
  2. Step 2: Convert to fraction form
    28,026.91/42,025.60 = 8,302.57/x
  3. Step 3: Cross multiply
    28,026.91x = 42,025.60 × 8,302.57
  4. Step 4: Simplify right side
    28,026.91x = 348,920,485.79
  5. Step 5: Solve for x
    x = 348,920,485.79/28,026.91
  6. Step 6: Final answer
    x = 12,449.48

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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.