Home / 28,897.75-39,882.14-16,323.31

Finding the Fourth Proportional to 28,897.75, 39,882.14 and 16,323.31

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Solution

The fourth proportional to 28,897.75, 39,882.14 and 16,323.31 is: 22,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.75 : 39,882.14 = 16,323.31 : x
  2. Step 2: Convert to fraction form
    28,897.75/39,882.14 = 16,323.31/x
  3. Step 3: Cross multiply
    28,897.75x = 39,882.14 × 16,323.31
  4. Step 4: Simplify right side
    28,897.75x = 651,008,534.68
  5. Step 5: Solve for x
    x = 651,008,534.68/28,897.75
  6. Step 6: Final answer
    x = 22,528.00

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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.