Home / 27,639.09-38,148.11-17,565.57

Finding the Fourth Proportional to 27,639.09, 38,148.11 and 17,565.57

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Solution

The fourth proportional to 27,639.09, 38,148.11 and 17,565.57 is: 24,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.09 : 38,148.11 = 17,565.57 : x
  2. Step 2: Convert to fraction form
    27,639.09/38,148.11 = 17,565.57/x
  3. Step 3: Cross multiply
    27,639.09x = 38,148.11 × 17,565.57
  4. Step 4: Simplify right side
    27,639.09x = 670,093,208.74
  5. Step 5: Solve for x
    x = 670,093,208.74/27,639.09
  6. Step 6: Final answer
    x = 24,244.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.