Home / 19,288.98-26,616.69-10,790.28

Finding the Fourth Proportional to 19,288.98, 26,616.69 and 10,790.28

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Solution

The fourth proportional to 19,288.98, 26,616.69 and 10,790.28 is: 14,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.98 : 26,616.69 = 10,790.28 : x
  2. Step 2: Convert to fraction form
    19,288.98/26,616.69 = 10,790.28/x
  3. Step 3: Cross multiply
    19,288.98x = 26,616.69 × 10,790.28
  4. Step 4: Simplify right side
    19,288.98x = 287,201,537.77
  5. Step 5: Solve for x
    x = 287,201,537.77/19,288.98
  6. Step 6: Final answer
    x = 14,889.41

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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.