Home / 28,365.33-42,554.37-9,389.91

Finding the Fourth Proportional to 28,365.33, 42,554.37 and 9,389.91

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Solution

The fourth proportional to 28,365.33, 42,554.37 and 9,389.91 is: 14,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.33 : 42,554.37 = 9,389.91 : x
  2. Step 2: Convert to fraction form
    28,365.33/42,554.37 = 9,389.91/x
  3. Step 3: Cross multiply
    28,365.33x = 42,554.37 × 9,389.91
  4. Step 4: Simplify right side
    28,365.33x = 399,581,704.41
  5. Step 5: Solve for x
    x = 399,581,704.41/28,365.33
  6. Step 6: Final answer
    x = 14,086.98

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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.