Home / 28,497.86-39,326.95-15,922.61

Finding the Fourth Proportional to 28,497.86, 39,326.95 and 15,922.61

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Solution

The fourth proportional to 28,497.86, 39,326.95 and 15,922.61 is: 21,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.86 : 39,326.95 = 15,922.61 : x
  2. Step 2: Convert to fraction form
    28,497.86/39,326.95 = 15,922.61/x
  3. Step 3: Cross multiply
    28,497.86x = 39,326.95 × 15,922.61
  4. Step 4: Simplify right side
    28,497.86x = 626,187,658.08
  5. Step 5: Solve for x
    x = 626,187,658.08/28,497.86
  6. Step 6: Final answer
    x = 21,973.15

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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.