Home / 27,190.04-37,482.54-19,218.20

Finding the Fourth Proportional to 27,190.04, 37,482.54 and 19,218.20

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Solution

The fourth proportional to 27,190.04, 37,482.54 and 19,218.20 is: 26,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.04 : 37,482.54 = 19,218.20 : x
  2. Step 2: Convert to fraction form
    27,190.04/37,482.54 = 19,218.20/x
  3. Step 3: Cross multiply
    27,190.04x = 37,482.54 × 19,218.20
  4. Step 4: Simplify right side
    27,190.04x = 720,346,950.23
  5. Step 5: Solve for x
    x = 720,346,950.23/27,190.04
  6. Step 6: Final answer
    x = 26,493.04

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Double scale
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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.