Home / 28,365.47-39,141.95-16,721.83

Finding the Fourth Proportional to 28,365.47, 39,141.95 and 16,721.83

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Solution

The fourth proportional to 28,365.47, 39,141.95 and 16,721.83 is: 23,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.47 : 39,141.95 = 16,721.83 : x
  2. Step 2: Convert to fraction form
    28,365.47/39,141.95 = 16,721.83/x
  3. Step 3: Cross multiply
    28,365.47x = 39,141.95 × 16,721.83
  4. Step 4: Simplify right side
    28,365.47x = 654,525,033.77
  5. Step 5: Solve for x
    x = 654,525,033.77/28,365.47
  6. Step 6: Final answer
    x = 23,074.71

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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.