Home / 28,000.62-42,000.96-26,289.90

Finding the Fourth Proportional to 28,000.62, 42,000.96 and 26,289.90

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Solution

The fourth proportional to 28,000.62, 42,000.96 and 26,289.90 is: 39,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.62 : 42,000.96 = 26,289.90 : x
  2. Step 2: Convert to fraction form
    28,000.62/42,000.96 = 26,289.90/x
  3. Step 3: Cross multiply
    28,000.62x = 42,000.96 × 26,289.90
  4. Step 4: Simplify right side
    28,000.62x = 1,104,201,038.30
  5. Step 5: Solve for x
    x = 1,104,201,038.30/28,000.62
  6. Step 6: Final answer
    x = 39,434.88

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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.