Home / 27,313.40-37,690.88-15,376.26

Finding the Fourth Proportional to 27,313.40, 37,690.88 and 15,376.26

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Solution

The fourth proportional to 27,313.40, 37,690.88 and 15,376.26 is: 21,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.40 : 37,690.88 = 15,376.26 : x
  2. Step 2: Convert to fraction form
    27,313.40/37,690.88 = 15,376.26/x
  3. Step 3: Cross multiply
    27,313.40x = 37,690.88 × 15,376.26
  4. Step 4: Simplify right side
    27,313.40x = 579,544,770.51
  5. Step 5: Solve for x
    x = 579,544,770.51/27,313.40
  6. Step 6: Final answer
    x = 21,218.33

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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.