Home / 19,904.80-29,828.40-13,741.60

Finding the Fourth Proportional to 19,904.80, 29,828.40 and 13,741.60

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Solution

The fourth proportional to 19,904.80, 29,828.40 and 13,741.60 is: 20,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.80 : 29,828.40 = 13,741.60 : x
  2. Step 2: Convert to fraction form
    19,904.80/29,828.40 = 13,741.60/x
  3. Step 3: Cross multiply
    19,904.80x = 29,828.40 × 13,741.60
  4. Step 4: Simplify right side
    19,904.80x = 409,889,941.44
  5. Step 5: Solve for x
    x = 409,889,941.44/19,904.80
  6. Step 6: Final answer
    x = 20,592.52

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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.