Home / 21,091.02-29,069.67-19,303.41

Finding the Fourth Proportional to 21,091.02, 29,069.67 and 19,303.41

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Solution

The fourth proportional to 21,091.02, 29,069.67 and 19,303.41 is: 26,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091.02 : 29,069.67 = 19,303.41 : x
  2. Step 2: Convert to fraction form
    21,091.02/29,069.67 = 19,303.41/x
  3. Step 3: Cross multiply
    21,091.02x = 29,069.67 × 19,303.41
  4. Step 4: Simplify right side
    21,091.02x = 561,143,758.57
  5. Step 5: Solve for x
    x = 561,143,758.57/21,091.02
  6. Step 6: Final answer
    x = 26,605.81

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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.