Home / 28,603.94-39,471.81-16,029.50

Finding the Fourth Proportional to 28,603.94, 39,471.81 and 16,029.50

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Solution

The fourth proportional to 28,603.94, 39,471.81 and 16,029.50 is: 22,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.94 : 39,471.81 = 16,029.50 : x
  2. Step 2: Convert to fraction form
    28,603.94/39,471.81 = 16,029.50/x
  3. Step 3: Cross multiply
    28,603.94x = 39,471.81 × 16,029.50
  4. Step 4: Simplify right side
    28,603.94x = 632,713,378.40
  5. Step 5: Solve for x
    x = 632,713,378.40/28,603.94
  6. Step 6: Final answer
    x = 22,119.80

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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.