Home / 27,359.20-41,038.80-17,509.60

Finding the Fourth Proportional to 27,359.20, 41,038.80 and 17,509.60

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Solution

The fourth proportional to 27,359.20, 41,038.80 and 17,509.60 is: 26,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.20 : 41,038.80 = 17,509.60 : x
  2. Step 2: Convert to fraction form
    27,359.20/41,038.80 = 17,509.60/x
  3. Step 3: Cross multiply
    27,359.20x = 41,038.80 × 17,509.60
  4. Step 4: Simplify right side
    27,359.20x = 718,572,972.48
  5. Step 5: Solve for x
    x = 718,572,972.48/27,359.20
  6. Step 6: Final answer
    x = 26,264.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.