Home / 28,671.89-42,930.74-23,385.08

Finding the Fourth Proportional to 28,671.89, 42,930.74 and 23,385.08

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Solution

The fourth proportional to 28,671.89, 42,930.74 and 23,385.08 is: 35,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.89 : 42,930.74 = 23,385.08 : x
  2. Step 2: Convert to fraction form
    28,671.89/42,930.74 = 23,385.08/x
  3. Step 3: Cross multiply
    28,671.89x = 42,930.74 × 23,385.08
  4. Step 4: Simplify right side
    28,671.89x = 1,003,938,955.15
  5. Step 5: Solve for x
    x = 1,003,938,955.15/28,671.89
  6. Step 6: Final answer
    x = 35,014.75

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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.