Home / 28,323.23-39,086.53-15,576.98

Finding the Fourth Proportional to 28,323.23, 39,086.53 and 15,576.98

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Solution

The fourth proportional to 28,323.23, 39,086.53 and 15,576.98 is: 21,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.23 : 39,086.53 = 15,576.98 : x
  2. Step 2: Convert to fraction form
    28,323.23/39,086.53 = 15,576.98/x
  3. Step 3: Cross multiply
    28,323.23x = 39,086.53 × 15,576.98
  4. Step 4: Simplify right side
    28,323.23x = 608,849,861.70
  5. Step 5: Solve for x
    x = 608,849,861.70/28,323.23
  6. Step 6: Final answer
    x = 21,496.49

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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.