Home / 19,040.21-28,510.64-15,322.13

Finding the Fourth Proportional to 19,040.21, 28,510.64 and 15,322.13

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Solution

The fourth proportional to 19,040.21, 28,510.64 and 15,322.13 is: 22,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.21 : 28,510.64 = 15,322.13 : x
  2. Step 2: Convert to fraction form
    19,040.21/28,510.64 = 15,322.13/x
  3. Step 3: Cross multiply
    19,040.21x = 28,510.64 × 15,322.13
  4. Step 4: Simplify right side
    19,040.21x = 436,843,655.85
  5. Step 5: Solve for x
    x = 436,843,655.85/19,040.21
  6. Step 6: Final answer
    x = 22,943.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.