Home / 18,055.32-27,059.88-15,705.50

Finding the Fourth Proportional to 18,055.32, 27,059.88 and 15,705.50

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Solution

The fourth proportional to 18,055.32, 27,059.88 and 15,705.50 is: 23,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.32 : 27,059.88 = 15,705.50 : x
  2. Step 2: Convert to fraction form
    18,055.32/27,059.88 = 15,705.50/x
  3. Step 3: Cross multiply
    18,055.32x = 27,059.88 × 15,705.50
  4. Step 4: Simplify right side
    18,055.32x = 424,988,945.34
  5. Step 5: Solve for x
    x = 424,988,945.34/18,055.32
  6. Step 6: Final answer
    x = 23,538.16

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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.