Home / 28,630.62-39,510.15-16,055.34

Finding the Fourth Proportional to 28,630.62, 39,510.15 and 16,055.34

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Solution

The fourth proportional to 28,630.62, 39,510.15 and 16,055.34 is: 22,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.62 : 39,510.15 = 16,055.34 : x
  2. Step 2: Convert to fraction form
    28,630.62/39,510.15 = 16,055.34/x
  3. Step 3: Cross multiply
    28,630.62x = 39,510.15 × 16,055.34
  4. Step 4: Simplify right side
    28,630.62x = 634,348,891.70
  5. Step 5: Solve for x
    x = 634,348,891.70/28,630.62
  6. Step 6: Final answer
    x = 22,156.31

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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.