Home / 28,348.02-42,511.08-13,552.98

Finding the Fourth Proportional to 28,348.02, 42,511.08 and 13,552.98

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Solution

The fourth proportional to 28,348.02, 42,511.08 and 13,552.98 is: 20,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.02 : 42,511.08 = 13,552.98 : x
  2. Step 2: Convert to fraction form
    28,348.02/42,511.08 = 13,552.98/x
  3. Step 3: Cross multiply
    28,348.02x = 42,511.08 × 13,552.98
  4. Step 4: Simplify right side
    28,348.02x = 576,151,817.02
  5. Step 5: Solve for x
    x = 576,151,817.02/28,348.02
  6. Step 6: Final answer
    x = 20,324.23

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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.