Home / 27,880.01-38,471.85-16,547.55

Finding the Fourth Proportional to 27,880.01, 38,471.85 and 16,547.55

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Solution

The fourth proportional to 27,880.01, 38,471.85 and 16,547.55 is: 22,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.01 : 38,471.85 = 16,547.55 : x
  2. Step 2: Convert to fraction form
    27,880.01/38,471.85 = 16,547.55/x
  3. Step 3: Cross multiply
    27,880.01x = 38,471.85 × 16,547.55
  4. Step 4: Simplify right side
    27,880.01x = 636,614,861.47
  5. Step 5: Solve for x
    x = 636,614,861.47/27,880.01
  6. Step 6: Final answer
    x = 22,834.10

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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.