Home / 28,502-39,332.76-15,927.92

Finding the Fourth Proportional to 28,502, 39,332.76 and 15,927.92

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Solution

The fourth proportional to 28,502, 39,332.76 and 15,927.92 is: 21,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502 : 39,332.76 = 15,927.92 : x
  2. Step 2: Convert to fraction form
    28,502/39,332.76 = 15,927.92/x
  3. Step 3: Cross multiply
    28,502x = 39,332.76 × 15,927.92
  4. Step 4: Simplify right side
    28,502x = 626,489,054.66
  5. Step 5: Solve for x
    x = 626,489,054.66/28,502
  6. Step 6: Final answer
    x = 21,980.53

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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.