Home / 28,896.69-39,875.49-16,320.63

Finding the Fourth Proportional to 28,896.69, 39,875.49 and 16,320.63

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Solution

The fourth proportional to 28,896.69, 39,875.49 and 16,320.63 is: 22,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.69 : 39,875.49 = 16,320.63 : x
  2. Step 2: Convert to fraction form
    28,896.69/39,875.49 = 16,320.63/x
  3. Step 3: Cross multiply
    28,896.69x = 39,875.49 × 16,320.63
  4. Step 4: Simplify right side
    28,896.69x = 650,793,118.36
  5. Step 5: Solve for x
    x = 650,793,118.36/28,896.69
  6. Step 6: Final answer
    x = 22,521.37

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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.