Home / 27,027.50-40,513.89-12,966.86

Finding the Fourth Proportional to 27,027.50, 40,513.89 and 12,966.86

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Solution

The fourth proportional to 27,027.50, 40,513.89 and 12,966.86 is: 19,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.50 : 40,513.89 = 12,966.86 : x
  2. Step 2: Convert to fraction form
    27,027.50/40,513.89 = 12,966.86/x
  3. Step 3: Cross multiply
    27,027.50x = 40,513.89 × 12,966.86
  4. Step 4: Simplify right side
    27,027.50x = 525,337,939.69
  5. Step 5: Solve for x
    x = 525,337,939.69/27,027.50
  6. Step 6: Final answer
    x = 19,437.16

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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.