Home / 27,666.09-41,513.45-12,870.63

Finding the Fourth Proportional to 27,666.09, 41,513.45 and 12,870.63

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Solution

The fourth proportional to 27,666.09, 41,513.45 and 12,870.63 is: 19,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.09 : 41,513.45 = 12,870.63 : x
  2. Step 2: Convert to fraction form
    27,666.09/41,513.45 = 12,870.63/x
  3. Step 3: Cross multiply
    27,666.09x = 41,513.45 × 12,870.63
  4. Step 4: Simplify right side
    27,666.09x = 534,304,190.62
  5. Step 5: Solve for x
    x = 534,304,190.62/27,666.09
  6. Step 6: Final answer
    x = 19,312.60

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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.