Home / 18,015.36-26,886.40-17,548.80

Finding the Fourth Proportional to 18,015.36, 26,886.40 and 17,548.80

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Solution

The fourth proportional to 18,015.36, 26,886.40 and 17,548.80 is: 26,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.36 : 26,886.40 = 17,548.80 : x
  2. Step 2: Convert to fraction form
    18,015.36/26,886.40 = 17,548.80/x
  3. Step 3: Cross multiply
    18,015.36x = 26,886.40 × 17,548.80
  4. Step 4: Simplify right side
    18,015.36x = 471,824,056.32
  5. Step 5: Solve for x
    x = 471,824,056.32/18,015.36
  6. Step 6: Final answer
    x = 26,190.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.