Home / 28,613.61-39,486.65-16,038.36

Finding the Fourth Proportional to 28,613.61, 39,486.65 and 16,038.36

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Solution

The fourth proportional to 28,613.61, 39,486.65 and 16,038.36 is: 22,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.61 : 39,486.65 = 16,038.36 : x
  2. Step 2: Convert to fraction form
    28,613.61/39,486.65 = 16,038.36/x
  3. Step 3: Cross multiply
    28,613.61x = 39,486.65 × 16,038.36
  4. Step 4: Simplify right side
    28,613.61x = 633,301,027.70
  5. Step 5: Solve for x
    x = 633,301,027.70/28,613.61
  6. Step 6: Final answer
    x = 22,132.86

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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.