Home / 27,730.58-38,276.03-16,404.01

Finding the Fourth Proportional to 27,730.58, 38,276.03 and 16,404.01

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Solution

The fourth proportional to 27,730.58, 38,276.03 and 16,404.01 is: 22,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.58 : 38,276.03 = 16,404.01 : x
  2. Step 2: Convert to fraction form
    27,730.58/38,276.03 = 16,404.01/x
  3. Step 3: Cross multiply
    27,730.58x = 38,276.03 × 16,404.01
  4. Step 4: Simplify right side
    27,730.58x = 627,880,247.31
  5. Step 5: Solve for x
    x = 627,880,247.31/27,730.58
  6. Step 6: Final answer
    x = 22,642.16

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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.