Home / 28,504.84-39,332.82-15,927.88

Finding the Fourth Proportional to 28,504.84, 39,332.82 and 15,927.88

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Solution

The fourth proportional to 28,504.84, 39,332.82 and 15,927.88 is: 21,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.84 : 39,332.82 = 15,927.88 : x
  2. Step 2: Convert to fraction form
    28,504.84/39,332.82 = 15,927.88/x
  3. Step 3: Cross multiply
    28,504.84x = 39,332.82 × 15,927.88
  4. Step 4: Simplify right side
    28,504.84x = 626,488,437.02
  5. Step 5: Solve for x
    x = 626,488,437.02/28,504.84
  6. Step 6: Final answer
    x = 21,978.32

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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.