Home / 28,064.70-42,102.90-9,350.55

Finding the Fourth Proportional to 28,064.70, 42,102.90 and 9,350.55

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Solution

The fourth proportional to 28,064.70, 42,102.90 and 9,350.55 is: 14,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.70 : 42,102.90 = 9,350.55 : x
  2. Step 2: Convert to fraction form
    28,064.70/42,102.90 = 9,350.55/x
  3. Step 3: Cross multiply
    28,064.70x = 42,102.90 × 9,350.55
  4. Step 4: Simplify right side
    28,064.70x = 393,685,271.60
  5. Step 5: Solve for x
    x = 393,685,271.60/28,064.70
  6. Step 6: Final answer
    x = 14,027.77

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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.