Home / 27,765.13-41,666.14-12,975.19

Finding the Fourth Proportional to 27,765.13, 41,666.14 and 12,975.19

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Solution

The fourth proportional to 27,765.13, 41,666.14 and 12,975.19 is: 19,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.13 : 41,666.14 = 12,975.19 : x
  2. Step 2: Convert to fraction form
    27,765.13/41,666.14 = 12,975.19/x
  3. Step 3: Cross multiply
    27,765.13x = 41,666.14 × 12,975.19
  4. Step 4: Simplify right side
    27,765.13x = 540,626,083.07
  5. Step 5: Solve for x
    x = 540,626,083.07/27,765.13
  6. Step 6: Final answer
    x = 19,471.40

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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.