Home / 28,005.96-42,000.78-23,063.40

Finding the Fourth Proportional to 28,005.96, 42,000.78 and 23,063.40

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Solution

The fourth proportional to 28,005.96, 42,000.78 and 23,063.40 is: 34,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.96 : 42,000.78 = 23,063.40 : x
  2. Step 2: Convert to fraction form
    28,005.96/42,000.78 = 23,063.40/x
  3. Step 3: Cross multiply
    28,005.96x = 42,000.78 × 23,063.40
  4. Step 4: Simplify right side
    28,005.96x = 968,680,789.45
  5. Step 5: Solve for x
    x = 968,680,789.45/28,005.96
  6. Step 6: Final answer
    x = 34,588.38

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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.