Home / 27,698.85-38,226.69-15,762.96

Finding the Fourth Proportional to 27,698.85, 38,226.69 and 15,762.96

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Solution

The fourth proportional to 27,698.85, 38,226.69 and 15,762.96 is: 21,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.85 : 38,226.69 = 15,762.96 : x
  2. Step 2: Convert to fraction form
    27,698.85/38,226.69 = 15,762.96/x
  3. Step 3: Cross multiply
    27,698.85x = 38,226.69 × 15,762.96
  4. Step 4: Simplify right side
    27,698.85x = 602,565,785.40
  5. Step 5: Solve for x
    x = 602,565,785.40/27,698.85
  6. Step 6: Final answer
    x = 21,754.18

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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.