Home / 28,929.36-39,918.24-16,353.84

Finding the Fourth Proportional to 28,929.36, 39,918.24 and 16,353.84

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Solution

The fourth proportional to 28,929.36, 39,918.24 and 16,353.84 is: 22,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.36 : 39,918.24 = 16,353.84 : x
  2. Step 2: Convert to fraction form
    28,929.36/39,918.24 = 16,353.84/x
  3. Step 3: Cross multiply
    28,929.36x = 39,918.24 × 16,353.84
  4. Step 4: Simplify right side
    28,929.36x = 652,816,510.04
  5. Step 5: Solve for x
    x = 652,816,510.04/28,929.36
  6. Step 6: Final answer
    x = 22,565.88

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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.