Home / 28,502.73-39,333.71-15,927.48

Finding the Fourth Proportional to 28,502.73, 39,333.71 and 15,927.48

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Solution

The fourth proportional to 28,502.73, 39,333.71 and 15,927.48 is: 21,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.73 : 39,333.71 = 15,927.48 : x
  2. Step 2: Convert to fraction form
    28,502.73/39,333.71 = 15,927.48/x
  3. Step 3: Cross multiply
    28,502.73x = 39,333.71 × 15,927.48
  4. Step 4: Simplify right side
    28,502.73x = 626,486,799.71
  5. Step 5: Solve for x
    x = 626,486,799.71/28,502.73
  6. Step 6: Final answer
    x = 21,979.89

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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.