Home / 28,784.33-39,719.66-16,036.22

Finding the Fourth Proportional to 28,784.33, 39,719.66 and 16,036.22

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Solution

The fourth proportional to 28,784.33, 39,719.66 and 16,036.22 is: 22,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.33 : 39,719.66 = 16,036.22 : x
  2. Step 2: Convert to fraction form
    28,784.33/39,719.66 = 16,036.22/x
  3. Step 3: Cross multiply
    28,784.33x = 39,719.66 × 16,036.22
  4. Step 4: Simplify right side
    28,784.33x = 636,952,927.31
  5. Step 5: Solve for x
    x = 636,952,927.31/28,784.33
  6. Step 6: Final answer
    x = 22,128.46

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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.