Home / 28,629.75-39,509.07-16,054.50

Finding the Fourth Proportional to 28,629.75, 39,509.07 and 16,054.50

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Solution

The fourth proportional to 28,629.75, 39,509.07 and 16,054.50 is: 22,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.75 : 39,509.07 = 16,054.50 : x
  2. Step 2: Convert to fraction form
    28,629.75/39,509.07 = 16,054.50/x
  3. Step 3: Cross multiply
    28,629.75x = 39,509.07 × 16,054.50
  4. Step 4: Simplify right side
    28,629.75x = 634,298,364.32
  5. Step 5: Solve for x
    x = 634,298,364.32/28,629.75
  6. Step 6: Final answer
    x = 22,155.22

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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.