Home / 28,440.40-42,660.60-26,496.40

Finding the Fourth Proportional to 28,440.40, 42,660.60 and 26,496.40

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Solution

The fourth proportional to 28,440.40, 42,660.60 and 26,496.40 is: 39,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.40 : 42,660.60 = 26,496.40 : x
  2. Step 2: Convert to fraction form
    28,440.40/42,660.60 = 26,496.40/x
  3. Step 3: Cross multiply
    28,440.40x = 42,660.60 × 26,496.40
  4. Step 4: Simplify right side
    28,440.40x = 1,130,352,321.84
  5. Step 5: Solve for x
    x = 1,130,352,321.84/28,440.40
  6. Step 6: Final answer
    x = 39,744.60

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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.