Home / 28,078.02-42,095.85-16,982.34

Finding the Fourth Proportional to 28,078.02, 42,095.85 and 16,982.34

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Solution

The fourth proportional to 28,078.02, 42,095.85 and 16,982.34 is: 25,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078.02 : 42,095.85 = 16,982.34 : x
  2. Step 2: Convert to fraction form
    28,078.02/42,095.85 = 16,982.34/x
  3. Step 3: Cross multiply
    28,078.02x = 42,095.85 × 16,982.34
  4. Step 4: Simplify right side
    28,078.02x = 714,886,037.29
  5. Step 5: Solve for x
    x = 714,886,037.29/28,078.02
  6. Step 6: Final answer
    x = 25,460.70

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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.