Home / 15,505.40-23,342.45-14,127.60

Finding the Fourth Proportional to 15,505.40, 23,342.45 and 14,127.60

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Solution

The fourth proportional to 15,505.40, 23,342.45 and 14,127.60 is: 21,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.40 : 23,342.45 = 14,127.60 : x
  2. Step 2: Convert to fraction form
    15,505.40/23,342.45 = 14,127.60/x
  3. Step 3: Cross multiply
    15,505.40x = 23,342.45 × 14,127.60
  4. Step 4: Simplify right side
    15,505.40x = 329,772,796.62
  5. Step 5: Solve for x
    x = 329,772,796.62/15,505.40
  6. Step 6: Final answer
    x = 21,268.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.