Home / 28,445.03-42,671.58-15,114.54

Finding the Fourth Proportional to 28,445.03, 42,671.58 and 15,114.54

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Solution

The fourth proportional to 28,445.03, 42,671.58 and 15,114.54 is: 22,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.03 : 42,671.58 = 15,114.54 : x
  2. Step 2: Convert to fraction form
    28,445.03/42,671.58 = 15,114.54/x
  3. Step 3: Cross multiply
    28,445.03x = 42,671.58 × 15,114.54
  4. Step 4: Simplify right side
    28,445.03x = 644,961,302.77
  5. Step 5: Solve for x
    x = 644,961,302.77/28,445.03
  6. Step 6: Final answer
    x = 22,673.96

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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.