Home / 28,325.18-39,085.26-15,576.26

Finding the Fourth Proportional to 28,325.18, 39,085.26 and 15,576.26

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Solution

The fourth proportional to 28,325.18, 39,085.26 and 15,576.26 is: 21,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.18 : 39,085.26 = 15,576.26 : x
  2. Step 2: Convert to fraction form
    28,325.18/39,085.26 = 15,576.26/x
  3. Step 3: Cross multiply
    28,325.18x = 39,085.26 × 15,576.26
  4. Step 4: Simplify right side
    28,325.18x = 608,802,171.93
  5. Step 5: Solve for x
    x = 608,802,171.93/28,325.18
  6. Step 6: Final answer
    x = 21,493.32

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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.