Home / 28,603.53-39,472.92-16,028.28

Finding the Fourth Proportional to 28,603.53, 39,472.92 and 16,028.28

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Solution

The fourth proportional to 28,603.53, 39,472.92 and 16,028.28 is: 22,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.53 : 39,472.92 = 16,028.28 : x
  2. Step 2: Convert to fraction form
    28,603.53/39,472.92 = 16,028.28/x
  3. Step 3: Cross multiply
    28,603.53x = 39,472.92 × 16,028.28
  4. Step 4: Simplify right side
    28,603.53x = 632,683,014.18
  5. Step 5: Solve for x
    x = 632,683,014.18/28,603.53
  6. Step 6: Final answer
    x = 22,119.05

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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.