Home / 28,248.40-42,372.60-23,640.40

Finding the Fourth Proportional to 28,248.40, 42,372.60 and 23,640.40

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Solution

The fourth proportional to 28,248.40, 42,372.60 and 23,640.40 is: 35,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.40 : 42,372.60 = 23,640.40 : x
  2. Step 2: Convert to fraction form
    28,248.40/42,372.60 = 23,640.40/x
  3. Step 3: Cross multiply
    28,248.40x = 42,372.60 × 23,640.40
  4. Step 4: Simplify right side
    28,248.40x = 1,001,705,213.04
  5. Step 5: Solve for x
    x = 1,001,705,213.04/28,248.40
  6. Step 6: Final answer
    x = 35,460.60

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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.