Home / 38,736.55-53,420.89-25,979.51

Finding the Fourth Proportional to 38,736.55, 53,420.89 and 25,979.51

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Solution

The fourth proportional to 38,736.55, 53,420.89 and 25,979.51 is: 35,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736.55 : 53,420.89 = 25,979.51 : x
  2. Step 2: Convert to fraction form
    38,736.55/53,420.89 = 25,979.51/x
  3. Step 3: Cross multiply
    38,736.55x = 53,420.89 × 25,979.51
  4. Step 4: Simplify right side
    38,736.55x = 1,387,848,586.10
  5. Step 5: Solve for x
    x = 1,387,848,586.10/38,736.55
  6. Step 6: Final answer
    x = 35,827.88

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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.