Home / 28,678.34-39,576.58-16,102.82

Finding the Fourth Proportional to 28,678.34, 39,576.58 and 16,102.82

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Solution

The fourth proportional to 28,678.34, 39,576.58 and 16,102.82 is: 22,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.34 : 39,576.58 = 16,102.82 : x
  2. Step 2: Convert to fraction form
    28,678.34/39,576.58 = 16,102.82/x
  3. Step 3: Cross multiply
    28,678.34x = 39,576.58 × 16,102.82
  4. Step 4: Simplify right side
    28,678.34x = 637,294,543.96
  5. Step 5: Solve for x
    x = 637,294,543.96/28,678.34
  6. Step 6: Final answer
    x = 22,222.16

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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.