Home / 28,501.98-39,332.67-15,926.73

Finding the Fourth Proportional to 28,501.98, 39,332.67 and 15,926.73

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Solution

The fourth proportional to 28,501.98, 39,332.67 and 15,926.73 is: 21,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.98 : 39,332.67 = 15,926.73 : x
  2. Step 2: Convert to fraction form
    28,501.98/39,332.67 = 15,926.73/x
  3. Step 3: Cross multiply
    28,501.98x = 39,332.67 × 15,926.73
  4. Step 4: Simplify right side
    28,501.98x = 626,440,815.27
  5. Step 5: Solve for x
    x = 626,440,815.27/28,501.98
  6. Step 6: Final answer
    x = 21,978.85

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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.