Home / 28,613.68-39,486.72-16,038.52

Finding the Fourth Proportional to 28,613.68, 39,486.72 and 16,038.52

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Solution

The fourth proportional to 28,613.68, 39,486.72 and 16,038.52 is: 22,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.68 : 39,486.72 = 16,038.52 : x
  2. Step 2: Convert to fraction form
    28,613.68/39,486.72 = 16,038.52/x
  3. Step 3: Cross multiply
    28,613.68x = 39,486.72 × 16,038.52
  4. Step 4: Simplify right side
    28,613.68x = 633,308,548.45
  5. Step 5: Solve for x
    x = 633,308,548.45/28,613.68
  6. Step 6: Final answer
    x = 22,133.07

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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.