Home / 28,146.23-38,848.30-18,588.02

Finding the Fourth Proportional to 28,146.23, 38,848.30 and 18,588.02

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Solution

The fourth proportional to 28,146.23, 38,848.30 and 18,588.02 is: 25,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.23 : 38,848.30 = 18,588.02 : x
  2. Step 2: Convert to fraction form
    28,146.23/38,848.30 = 18,588.02/x
  3. Step 3: Cross multiply
    28,146.23x = 38,848.30 × 18,588.02
  4. Step 4: Simplify right side
    28,146.23x = 722,112,874.41
  5. Step 5: Solve for x
    x = 722,112,874.41/28,146.23
  6. Step 6: Final answer
    x = 25,655.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.