Home / 28,328.10-42,492.27-8,606.82

Finding the Fourth Proportional to 28,328.10, 42,492.27 and 8,606.82

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Solution

The fourth proportional to 28,328.10, 42,492.27 and 8,606.82 is: 12,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.10 : 42,492.27 = 8,606.82 : x
  2. Step 2: Convert to fraction form
    28,328.10/42,492.27 = 8,606.82/x
  3. Step 3: Cross multiply
    28,328.10x = 42,492.27 × 8,606.82
  4. Step 4: Simplify right side
    28,328.10x = 365,723,319.28
  5. Step 5: Solve for x
    x = 365,723,319.28/28,328.10
  6. Step 6: Final answer
    x = 12,910.27

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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.