Home / 27,068.85-40,587.89-21,505.77

Finding the Fourth Proportional to 27,068.85, 40,587.89 and 21,505.77

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Solution

The fourth proportional to 27,068.85, 40,587.89 and 21,505.77 is: 32,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.85 : 40,587.89 = 21,505.77 : x
  2. Step 2: Convert to fraction form
    27,068.85/40,587.89 = 21,505.77/x
  3. Step 3: Cross multiply
    27,068.85x = 40,587.89 × 21,505.77
  4. Step 4: Simplify right side
    27,068.85x = 872,873,719.60
  5. Step 5: Solve for x
    x = 872,873,719.60/27,068.85
  6. Step 6: Final answer
    x = 32,246.43

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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.