Home / 28,270.18-39,011.08-16,331.58

Finding the Fourth Proportional to 28,270.18, 39,011.08 and 16,331.58

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Solution

The fourth proportional to 28,270.18, 39,011.08 and 16,331.58 is: 22,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.18 : 39,011.08 = 16,331.58 : x
  2. Step 2: Convert to fraction form
    28,270.18/39,011.08 = 16,331.58/x
  3. Step 3: Cross multiply
    28,270.18x = 39,011.08 × 16,331.58
  4. Step 4: Simplify right side
    28,270.18x = 637,112,573.91
  5. Step 5: Solve for x
    x = 637,112,573.91/28,270.18
  6. Step 6: Final answer
    x = 22,536.56

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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.