Home / 27,626.56-38,124.36-15,690.40

Finding the Fourth Proportional to 27,626.56, 38,124.36 and 15,690.40

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Solution

The fourth proportional to 27,626.56, 38,124.36 and 15,690.40 is: 21,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.56 : 38,124.36 = 15,690.40 : x
  2. Step 2: Convert to fraction form
    27,626.56/38,124.36 = 15,690.40/x
  3. Step 3: Cross multiply
    27,626.56x = 38,124.36 × 15,690.40
  4. Step 4: Simplify right side
    27,626.56x = 598,186,458.14
  5. Step 5: Solve for x
    x = 598,186,458.14/27,626.56
  6. Step 6: Final answer
    x = 21,652.59

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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.