Home / 25,580.40-38,328.36-11,698.80

Finding the Fourth Proportional to 25,580.40, 38,328.36 and 11,698.80

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Solution

The fourth proportional to 25,580.40, 38,328.36 and 11,698.80 is: 17,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.40 : 38,328.36 = 11,698.80 : x
  2. Step 2: Convert to fraction form
    25,580.40/38,328.36 = 11,698.80/x
  3. Step 3: Cross multiply
    25,580.40x = 38,328.36 × 11,698.80
  4. Step 4: Simplify right side
    25,580.40x = 448,395,817.97
  5. Step 5: Solve for x
    x = 448,395,817.97/25,580.40
  6. Step 6: Final answer
    x = 17,528.88

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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.