Home / 76,802.85-115,216.43-26,881.74

Finding the Fourth Proportional to 76,802.85, 115,216.43 and 26,881.74

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Solution

The fourth proportional to 76,802.85, 115,216.43 and 26,881.74 is: 40,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,802.85 : 115,216.43 = 26,881.74 : x
  2. Step 2: Convert to fraction form
    76,802.85/115,216.43 = 26,881.74/x
  3. Step 3: Cross multiply
    76,802.85x = 115,216.43 × 26,881.74
  4. Step 4: Simplify right side
    76,802.85x = 3,097,217,980.58
  5. Step 5: Solve for x
    x = 3,097,217,980.58/76,802.85
  6. Step 6: Final answer
    x = 40,326.86

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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.