Home / 27,298.28-37,656.90-18,239.24

Finding the Fourth Proportional to 27,298.28, 37,656.90 and 18,239.24

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Solution

The fourth proportional to 27,298.28, 37,656.90 and 18,239.24 is: 25,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.28 : 37,656.90 = 18,239.24 : x
  2. Step 2: Convert to fraction form
    27,298.28/37,656.90 = 18,239.24/x
  3. Step 3: Cross multiply
    27,298.28x = 37,656.90 × 18,239.24
  4. Step 4: Simplify right side
    27,298.28x = 686,833,236.76
  5. Step 5: Solve for x
    x = 686,833,236.76/27,298.28
  6. Step 6: Final answer
    x = 25,160.31

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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.