Home / 28,668.16-39,543.04-17,330.24

Finding the Fourth Proportional to 28,668.16, 39,543.04 and 17,330.24

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Solution

The fourth proportional to 28,668.16, 39,543.04 and 17,330.24 is: 23,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.16 : 39,543.04 = 17,330.24 : x
  2. Step 2: Convert to fraction form
    28,668.16/39,543.04 = 17,330.24/x
  3. Step 3: Cross multiply
    28,668.16x = 39,543.04 × 17,330.24
  4. Step 4: Simplify right side
    28,668.16x = 685,290,373.53
  5. Step 5: Solve for x
    x = 685,290,373.53/28,668.16
  6. Step 6: Final answer
    x = 23,904.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.