Home / 28,655.46-39,544.02-15,908.67

Finding the Fourth Proportional to 28,655.46, 39,544.02 and 15,908.67

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Solution

The fourth proportional to 28,655.46, 39,544.02 and 15,908.67 is: 21,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.46 : 39,544.02 = 15,908.67 : x
  2. Step 2: Convert to fraction form
    28,655.46/39,544.02 = 15,908.67/x
  3. Step 3: Cross multiply
    28,655.46x = 39,544.02 × 15,908.67
  4. Step 4: Simplify right side
    28,655.46x = 629,092,764.65
  5. Step 5: Solve for x
    x = 629,092,764.65/28,655.46
  6. Step 6: Final answer
    x = 21,953.68

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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.