Home / 27,498.36-37,948.31-15,561.69

Finding the Fourth Proportional to 27,498.36, 37,948.31 and 15,561.69

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Solution

The fourth proportional to 27,498.36, 37,948.31 and 15,561.69 is: 21,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.36 : 37,948.31 = 15,561.69 : x
  2. Step 2: Convert to fraction form
    27,498.36/37,948.31 = 15,561.69/x
  3. Step 3: Cross multiply
    27,498.36x = 37,948.31 × 15,561.69
  4. Step 4: Simplify right side
    27,498.36x = 590,539,900.74
  5. Step 5: Solve for x
    x = 590,539,900.74/27,498.36
  6. Step 6: Final answer
    x = 21,475.46

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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.