Home / 17,760.04-26,640.05-5,280.01

Finding the Fourth Proportional to 17,760.04, 26,640.05 and 5,280.01

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Solution

The fourth proportional to 17,760.04, 26,640.05 and 5,280.01 is: 7,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.04 : 26,640.05 = 5,280.01 : x
  2. Step 2: Convert to fraction form
    17,760.04/26,640.05 = 5,280.01/x
  3. Step 3: Cross multiply
    17,760.04x = 26,640.05 × 5,280.01
  4. Step 4: Simplify right side
    17,760.04x = 140,659,570.80
  5. Step 5: Solve for x
    x = 140,659,570.80/17,760.04
  6. Step 6: Final answer
    x = 7,920.01

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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.