Home / 18,027.54-24,864.30-15,513.90

Finding the Fourth Proportional to 18,027.54, 24,864.30 and 15,513.90

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Solution

The fourth proportional to 18,027.54, 24,864.30 and 15,513.90 is: 21,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.54 : 24,864.30 = 15,513.90 : x
  2. Step 2: Convert to fraction form
    18,027.54/24,864.30 = 15,513.90/x
  3. Step 3: Cross multiply
    18,027.54x = 24,864.30 × 15,513.90
  4. Step 4: Simplify right side
    18,027.54x = 385,742,263.77
  5. Step 5: Solve for x
    x = 385,742,263.77/18,027.54
  6. Step 6: Final answer
    x = 21,397.39

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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.