Home / 27,458.48-37,898.98-15,528.80

Finding the Fourth Proportional to 27,458.48, 37,898.98 and 15,528.80

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Solution

The fourth proportional to 27,458.48, 37,898.98 and 15,528.80 is: 21,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.48 : 37,898.98 = 15,528.80 : x
  2. Step 2: Convert to fraction form
    27,458.48/37,898.98 = 15,528.80/x
  3. Step 3: Cross multiply
    27,458.48x = 37,898.98 × 15,528.80
  4. Step 4: Simplify right side
    27,458.48x = 588,525,680.62
  5. Step 5: Solve for x
    x = 588,525,680.62/27,458.48
  6. Step 6: Final answer
    x = 21,433.29

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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.