Home / 28,792.47-39,758.10-18,055.33

Finding the Fourth Proportional to 28,792.47, 39,758.10 and 18,055.33

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Solution

The fourth proportional to 28,792.47, 39,758.10 and 18,055.33 is: 24,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.47 : 39,758.10 = 18,055.33 : x
  2. Step 2: Convert to fraction form
    28,792.47/39,758.10 = 18,055.33/x
  3. Step 3: Cross multiply
    28,792.47x = 39,758.10 × 18,055.33
  4. Step 4: Simplify right side
    28,792.47x = 717,845,613.05
  5. Step 5: Solve for x
    x = 717,845,613.05/28,792.47
  6. Step 6: Final answer
    x = 24,931.71

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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.