Home / 28,923.84-39,918.40-16,348.48

Finding the Fourth Proportional to 28,923.84, 39,918.40 and 16,348.48

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Solution

The fourth proportional to 28,923.84, 39,918.40 and 16,348.48 is: 22,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.84 : 39,918.40 = 16,348.48 : x
  2. Step 2: Convert to fraction form
    28,923.84/39,918.40 = 16,348.48/x
  3. Step 3: Cross multiply
    28,923.84x = 39,918.40 × 16,348.48
  4. Step 4: Simplify right side
    28,923.84x = 652,605,164.03
  5. Step 5: Solve for x
    x = 652,605,164.03/28,923.84
  6. Step 6: Final answer
    x = 22,562.88

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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.