Home / 28,814.93-39,782.76-22,087.88

Finding the Fourth Proportional to 28,814.93, 39,782.76 and 22,087.88

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Solution

The fourth proportional to 28,814.93, 39,782.76 and 22,087.88 is: 30,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.93 : 39,782.76 = 22,087.88 : x
  2. Step 2: Convert to fraction form
    28,814.93/39,782.76 = 22,087.88/x
  3. Step 3: Cross multiply
    28,814.93x = 39,782.76 × 22,087.88
  4. Step 4: Simplify right side
    28,814.93x = 878,716,828.95
  5. Step 5: Solve for x
    x = 878,716,828.95/28,814.93
  6. Step 6: Final answer
    x = 30,495.19

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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.