Home / 27,646.90-38,148.88-16,316.87

Finding the Fourth Proportional to 27,646.90, 38,148.88 and 16,316.87

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Solution

The fourth proportional to 27,646.90, 38,148.88 and 16,316.87 is: 22,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.90 : 38,148.88 = 16,316.87 : x
  2. Step 2: Convert to fraction form
    27,646.90/38,148.88 = 16,316.87/x
  3. Step 3: Cross multiply
    27,646.90x = 38,148.88 × 16,316.87
  4. Step 4: Simplify right side
    27,646.90x = 622,470,315.61
  5. Step 5: Solve for x
    x = 622,470,315.61/27,646.90
  6. Step 6: Final answer
    x = 22,515.01

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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.