Home / 19,212.80-26,510.72-10,827.52

Finding the Fourth Proportional to 19,212.80, 26,510.72 and 10,827.52

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Solution

The fourth proportional to 19,212.80, 26,510.72 and 10,827.52 is: 14,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.80 : 26,510.72 = 10,827.52 : x
  2. Step 2: Convert to fraction form
    19,212.80/26,510.72 = 10,827.52/x
  3. Step 3: Cross multiply
    19,212.80x = 26,510.72 × 10,827.52
  4. Step 4: Simplify right side
    19,212.80x = 287,045,351.01
  5. Step 5: Solve for x
    x = 287,045,351.01/19,212.80
  6. Step 6: Final answer
    x = 14,940.32

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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.