Home / 28,322.40-42,502.08-10,792.38

Finding the Fourth Proportional to 28,322.40, 42,502.08 and 10,792.38

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Solution

The fourth proportional to 28,322.40, 42,502.08 and 10,792.38 is: 16,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.40 : 42,502.08 = 10,792.38 : x
  2. Step 2: Convert to fraction form
    28,322.40/42,502.08 = 10,792.38/x
  3. Step 3: Cross multiply
    28,322.40x = 42,502.08 × 10,792.38
  4. Step 4: Simplify right side
    28,322.40x = 458,698,598.15
  5. Step 5: Solve for x
    x = 458,698,598.15/28,322.40
  6. Step 6: Final answer
    x = 16,195.61

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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.