Home / 27,240.16-37,628.40-21,346.24

Finding the Fourth Proportional to 27,240.16, 37,628.40 and 21,346.24

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Solution

The fourth proportional to 27,240.16, 37,628.40 and 21,346.24 is: 29,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.16 : 37,628.40 = 21,346.24 : x
  2. Step 2: Convert to fraction form
    27,240.16/37,628.40 = 21,346.24/x
  3. Step 3: Cross multiply
    27,240.16x = 37,628.40 × 21,346.24
  4. Step 4: Simplify right side
    27,240.16x = 803,224,857.22
  5. Step 5: Solve for x
    x = 803,224,857.22/27,240.16
  6. Step 6: Final answer
    x = 29,486.79

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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.