Home / 28,326.85-39,088.93-16,387.89

Finding the Fourth Proportional to 28,326.85, 39,088.93 and 16,387.89

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Solution

The fourth proportional to 28,326.85, 39,088.93 and 16,387.89 is: 22,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.85 : 39,088.93 = 16,387.89 : x
  2. Step 2: Convert to fraction form
    28,326.85/39,088.93 = 16,387.89/x
  3. Step 3: Cross multiply
    28,326.85x = 39,088.93 × 16,387.89
  4. Step 4: Simplify right side
    28,326.85x = 640,584,928.23
  5. Step 5: Solve for x
    x = 640,584,928.23/28,326.85
  6. Step 6: Final answer
    x = 22,614.06

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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.