Home / 18,656.72-27,848.57-16,442.45

Finding the Fourth Proportional to 18,656.72, 27,848.57 and 16,442.45

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Solution

The fourth proportional to 18,656.72, 27,848.57 and 16,442.45 is: 24,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.72 : 27,848.57 = 16,442.45 : x
  2. Step 2: Convert to fraction form
    18,656.72/27,848.57 = 16,442.45/x
  3. Step 3: Cross multiply
    18,656.72x = 27,848.57 × 16,442.45
  4. Step 4: Simplify right side
    18,656.72x = 457,898,719.80
  5. Step 5: Solve for x
    x = 457,898,719.80/18,656.72
  6. Step 6: Final answer
    x = 24,543.37

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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.