Home / 28,520.27-42,777.14-7,462.35

Finding the Fourth Proportional to 28,520.27, 42,777.14 and 7,462.35

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Solution

The fourth proportional to 28,520.27, 42,777.14 and 7,462.35 is: 11,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.27 : 42,777.14 = 7,462.35 : x
  2. Step 2: Convert to fraction form
    28,520.27/42,777.14 = 7,462.35/x
  3. Step 3: Cross multiply
    28,520.27x = 42,777.14 × 7,462.35
  4. Step 4: Simplify right side
    28,520.27x = 319,217,990.68
  5. Step 5: Solve for x
    x = 319,217,990.68/28,520.27
  6. Step 6: Final answer
    x = 11,192.67

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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.