Home / 27,036.72-40,533.12-10,388.16

Finding the Fourth Proportional to 27,036.72, 40,533.12 and 10,388.16

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Solution

The fourth proportional to 27,036.72, 40,533.12 and 10,388.16 is: 15,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.72 : 40,533.12 = 10,388.16 : x
  2. Step 2: Convert to fraction form
    27,036.72/40,533.12 = 10,388.16/x
  3. Step 3: Cross multiply
    27,036.72x = 40,533.12 × 10,388.16
  4. Step 4: Simplify right side
    27,036.72x = 421,064,535.86
  5. Step 5: Solve for x
    x = 421,064,535.86/27,036.72
  6. Step 6: Final answer
    x = 15,573.80

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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.