Home / 27,880.61-38,457.72-16,542.08

Finding the Fourth Proportional to 27,880.61, 38,457.72 and 16,542.08

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Solution

The fourth proportional to 27,880.61, 38,457.72 and 16,542.08 is: 22,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.61 : 38,457.72 = 16,542.08 : x
  2. Step 2: Convert to fraction form
    27,880.61/38,457.72 = 16,542.08/x
  3. Step 3: Cross multiply
    27,880.61x = 38,457.72 × 16,542.08
  4. Step 4: Simplify right side
    27,880.61x = 636,170,488.57
  5. Step 5: Solve for x
    x = 636,170,488.57/27,880.61
  6. Step 6: Final answer
    x = 22,817.67

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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.