Home / 28,601.44-42,884.80-12,803.52

Finding the Fourth Proportional to 28,601.44, 42,884.80 and 12,803.52

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Solution

The fourth proportional to 28,601.44, 42,884.80 and 12,803.52 is: 19,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.44 : 42,884.80 = 12,803.52 : x
  2. Step 2: Convert to fraction form
    28,601.44/42,884.80 = 12,803.52/x
  3. Step 3: Cross multiply
    28,601.44x = 42,884.80 × 12,803.52
  4. Step 4: Simplify right side
    28,601.44x = 549,076,394.50
  5. Step 5: Solve for x
    x = 549,076,394.50/28,601.44
  6. Step 6: Final answer
    x = 19,197.51

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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.