Home / 28,064.40-38,735.52-16,134.68

Finding the Fourth Proportional to 28,064.40, 38,735.52 and 16,134.68

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Solution

The fourth proportional to 28,064.40, 38,735.52 and 16,134.68 is: 22,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.40 : 38,735.52 = 16,134.68 : x
  2. Step 2: Convert to fraction form
    28,064.40/38,735.52 = 16,134.68/x
  3. Step 3: Cross multiply
    28,064.40x = 38,735.52 × 16,134.68
  4. Step 4: Simplify right side
    28,064.40x = 624,985,026.16
  5. Step 5: Solve for x
    x = 624,985,026.16/28,064.40
  6. Step 6: Final answer
    x = 22,269.67

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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.