Home / 25,698.96-38,460.78-21,543.66

Finding the Fourth Proportional to 25,698.96, 38,460.78 and 21,543.66

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Solution

The fourth proportional to 25,698.96, 38,460.78 and 21,543.66 is: 32,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.96 : 38,460.78 = 21,543.66 : x
  2. Step 2: Convert to fraction form
    25,698.96/38,460.78 = 21,543.66/x
  3. Step 3: Cross multiply
    25,698.96x = 38,460.78 × 21,543.66
  4. Step 4: Simplify right side
    25,698.96x = 828,585,967.65
  5. Step 5: Solve for x
    x = 828,585,967.65/25,698.96
  6. Step 6: Final answer
    x = 32,242.00

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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.