Home / 28,613.81-39,484.91-16,036.13

Finding the Fourth Proportional to 28,613.81, 39,484.91 and 16,036.13

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Solution

The fourth proportional to 28,613.81, 39,484.91 and 16,036.13 is: 22,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.81 : 39,484.91 = 16,036.13 : x
  2. Step 2: Convert to fraction form
    28,613.81/39,484.91 = 16,036.13/x
  3. Step 3: Cross multiply
    28,613.81x = 39,484.91 × 16,036.13
  4. Step 4: Simplify right side
    28,613.81x = 633,184,872.19
  5. Step 5: Solve for x
    x = 633,184,872.19/28,613.81
  6. Step 6: Final answer
    x = 22,128.65

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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.