Home / 28,600.94-42,884.07-12,803.06

Finding the Fourth Proportional to 28,600.94, 42,884.07 and 12,803.06

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Solution

The fourth proportional to 28,600.94, 42,884.07 and 12,803.06 is: 19,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.94 : 42,884.07 = 12,803.06 : x
  2. Step 2: Convert to fraction form
    28,600.94/42,884.07 = 12,803.06/x
  3. Step 3: Cross multiply
    28,600.94x = 42,884.07 × 12,803.06
  4. Step 4: Simplify right side
    28,600.94x = 549,047,321.25
  5. Step 5: Solve for x
    x = 549,047,321.25/28,600.94
  6. Step 6: Final answer
    x = 19,196.83

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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.