Home / 27,455.01-37,887.66-15,355.47

Finding the Fourth Proportional to 27,455.01, 37,887.66 and 15,355.47

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Solution

The fourth proportional to 27,455.01, 37,887.66 and 15,355.47 is: 21,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.01 : 37,887.66 = 15,355.47 : x
  2. Step 2: Convert to fraction form
    27,455.01/37,887.66 = 15,355.47/x
  3. Step 3: Cross multiply
    27,455.01x = 37,887.66 × 15,355.47
  4. Step 4: Simplify right side
    27,455.01x = 581,782,637.06
  5. Step 5: Solve for x
    x = 581,782,637.06/27,455.01
  6. Step 6: Final answer
    x = 21,190.40

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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.