Home / 17,627.60-26,441.40-5,315.60

Finding the Fourth Proportional to 17,627.60, 26,441.40 and 5,315.60

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Solution

The fourth proportional to 17,627.60, 26,441.40 and 5,315.60 is: 7,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.60 : 26,441.40 = 5,315.60 : x
  2. Step 2: Convert to fraction form
    17,627.60/26,441.40 = 5,315.60/x
  3. Step 3: Cross multiply
    17,627.60x = 26,441.40 × 5,315.60
  4. Step 4: Simplify right side
    17,627.60x = 140,551,905.84
  5. Step 5: Solve for x
    x = 140,551,905.84/17,627.60
  6. Step 6: Final answer
    x = 7,973.40

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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.