Home / 27,895.76-38,485.01-17,821.58

Finding the Fourth Proportional to 27,895.76, 38,485.01 and 17,821.58

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Solution

The fourth proportional to 27,895.76, 38,485.01 and 17,821.58 is: 24,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.76 : 38,485.01 = 17,821.58 : x
  2. Step 2: Convert to fraction form
    27,895.76/38,485.01 = 17,821.58/x
  3. Step 3: Cross multiply
    27,895.76x = 38,485.01 × 17,821.58
  4. Step 4: Simplify right side
    27,895.76x = 685,863,684.52
  5. Step 5: Solve for x
    x = 685,863,684.52/27,895.76
  6. Step 6: Final answer
    x = 24,586.66

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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.