Home / 42,792.96-64,190.16-11,627.40

Finding the Fourth Proportional to 42,792.96, 64,190.16 and 11,627.40

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Solution

The fourth proportional to 42,792.96, 64,190.16 and 11,627.40 is: 17,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792.96 : 64,190.16 = 11,627.40 : x
  2. Step 2: Convert to fraction form
    42,792.96/64,190.16 = 11,627.40/x
  3. Step 3: Cross multiply
    42,792.96x = 64,190.16 × 11,627.40
  4. Step 4: Simplify right side
    42,792.96x = 746,364,666.38
  5. Step 5: Solve for x
    x = 746,364,666.38/42,792.96
  6. Step 6: Final answer
    x = 17,441.30

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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.