Home / 28,645.43-39,521.83-16,700.31

Finding the Fourth Proportional to 28,645.43, 39,521.83 and 16,700.31

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Solution

The fourth proportional to 28,645.43, 39,521.83 and 16,700.31 is: 23,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.43 : 39,521.83 = 16,700.31 : x
  2. Step 2: Convert to fraction form
    28,645.43/39,521.83 = 16,700.31/x
  3. Step 3: Cross multiply
    28,645.43x = 39,521.83 × 16,700.31
  4. Step 4: Simplify right side
    28,645.43x = 660,026,812.77
  5. Step 5: Solve for x
    x = 660,026,812.77/28,645.43
  6. Step 6: Final answer
    x = 23,041.26

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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.