Home / 20,537.70-28,337.67-12,038.10

Finding the Fourth Proportional to 20,537.70, 28,337.67 and 12,038.10

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Solution

The fourth proportional to 20,537.70, 28,337.67 and 12,038.10 is: 16,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.70 : 28,337.67 = 12,038.10 : x
  2. Step 2: Convert to fraction form
    20,537.70/28,337.67 = 12,038.10/x
  3. Step 3: Cross multiply
    20,537.70x = 28,337.67 × 12,038.10
  4. Step 4: Simplify right side
    20,537.70x = 341,131,705.23
  5. Step 5: Solve for x
    x = 341,131,705.23/20,537.70
  6. Step 6: Final answer
    x = 16,610.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.