Home / 28,798.18-39,743.92-16,225.36

Finding the Fourth Proportional to 28,798.18, 39,743.92 and 16,225.36

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Solution

The fourth proportional to 28,798.18, 39,743.92 and 16,225.36 is: 22,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.18 : 39,743.92 = 16,225.36 : x
  2. Step 2: Convert to fraction form
    28,798.18/39,743.92 = 16,225.36/x
  3. Step 3: Cross multiply
    28,798.18x = 39,743.92 × 16,225.36
  4. Step 4: Simplify right side
    28,798.18x = 644,859,409.81
  5. Step 5: Solve for x
    x = 644,859,409.81/28,798.18
  6. Step 6: Final answer
    x = 22,392.37

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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.