Home / 28,803.69-39,745.89-16,055.91

Finding the Fourth Proportional to 28,803.69, 39,745.89 and 16,055.91

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Solution

The fourth proportional to 28,803.69, 39,745.89 and 16,055.91 is: 22,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.69 : 39,745.89 = 16,055.91 : x
  2. Step 2: Convert to fraction form
    28,803.69/39,745.89 = 16,055.91/x
  3. Step 3: Cross multiply
    28,803.69x = 39,745.89 × 16,055.91
  4. Step 4: Simplify right side
    28,803.69x = 638,156,521.55
  5. Step 5: Solve for x
    x = 638,156,521.55/28,803.69
  6. Step 6: Final answer
    x = 22,155.37

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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.