Home / 28,325.85-42,457.59-11,676.75

Finding the Fourth Proportional to 28,325.85, 42,457.59 and 11,676.75

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Solution

The fourth proportional to 28,325.85, 42,457.59 and 11,676.75 is: 17,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.85 : 42,457.59 = 11,676.75 : x
  2. Step 2: Convert to fraction form
    28,325.85/42,457.59 = 11,676.75/x
  3. Step 3: Cross multiply
    28,325.85x = 42,457.59 × 11,676.75
  4. Step 4: Simplify right side
    28,325.85x = 495,766,664.03
  5. Step 5: Solve for x
    x = 495,766,664.03/28,325.85
  6. Step 6: Final answer
    x = 17,502.27

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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.