Home / 27,167.34-40,762.70-13,137.92

Finding the Fourth Proportional to 27,167.34, 40,762.70 and 13,137.92

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Solution

The fourth proportional to 27,167.34, 40,762.70 and 13,137.92 is: 19,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.34 : 40,762.70 = 13,137.92 : x
  2. Step 2: Convert to fraction form
    27,167.34/40,762.70 = 13,137.92/x
  3. Step 3: Cross multiply
    27,167.34x = 40,762.70 × 13,137.92
  4. Step 4: Simplify right side
    27,167.34x = 535,537,091.58
  5. Step 5: Solve for x
    x = 535,537,091.58/27,167.34
  6. Step 6: Final answer
    x = 19,712.53

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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.