Home / 28,412.84-39,208.65-16,476.68

Finding the Fourth Proportional to 28,412.84, 39,208.65 and 16,476.68

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Solution

The fourth proportional to 28,412.84, 39,208.65 and 16,476.68 is: 22,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.84 : 39,208.65 = 16,476.68 : x
  2. Step 2: Convert to fraction form
    28,412.84/39,208.65 = 16,476.68/x
  3. Step 3: Cross multiply
    28,412.84x = 39,208.65 × 16,476.68
  4. Step 4: Simplify right side
    28,412.84x = 646,028,379.28
  5. Step 5: Solve for x
    x = 646,028,379.28/28,412.84
  6. Step 6: Final answer
    x = 22,737.20

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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.