Home / 27,153.72-40,677.55-12,901.91

Finding the Fourth Proportional to 27,153.72, 40,677.55 and 12,901.91

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Solution

The fourth proportional to 27,153.72, 40,677.55 and 12,901.91 is: 19,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.72 : 40,677.55 = 12,901.91 : x
  2. Step 2: Convert to fraction form
    27,153.72/40,677.55 = 12,901.91/x
  3. Step 3: Cross multiply
    27,153.72x = 40,677.55 × 12,901.91
  4. Step 4: Simplify right side
    27,153.72x = 524,818,269.27
  5. Step 5: Solve for x
    x = 524,818,269.27/27,153.72
  6. Step 6: Final answer
    x = 19,327.68

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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.