Home / 27,277.14-40,905.63-21,445.14

Finding the Fourth Proportional to 27,277.14, 40,905.63 and 21,445.14

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Solution

The fourth proportional to 27,277.14, 40,905.63 and 21,445.14 is: 32,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.14 : 40,905.63 = 21,445.14 : x
  2. Step 2: Convert to fraction form
    27,277.14/40,905.63 = 21,445.14/x
  3. Step 3: Cross multiply
    27,277.14x = 40,905.63 × 21,445.14
  4. Step 4: Simplify right side
    27,277.14x = 877,226,962.14
  5. Step 5: Solve for x
    x = 877,226,962.14/27,277.14
  6. Step 6: Final answer
    x = 32,159.79

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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.