Home / 27,374.54-37,798.24-21,423.18

Finding the Fourth Proportional to 27,374.54, 37,798.24 and 21,423.18

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Solution

The fourth proportional to 27,374.54, 37,798.24 and 21,423.18 is: 29,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,374.54 : 37,798.24 = 21,423.18 : x
  2. Step 2: Convert to fraction form
    27,374.54/37,798.24 = 21,423.18/x
  3. Step 3: Cross multiply
    27,374.54x = 37,798.24 × 21,423.18
  4. Step 4: Simplify right side
    27,374.54x = 809,758,499.20
  5. Step 5: Solve for x
    x = 809,758,499.20/27,374.54
  6. Step 6: Final answer
    x = 29,580.72

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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.