Home / 27,117.64-37,421.25-15,787.46

Finding the Fourth Proportional to 27,117.64, 37,421.25 and 15,787.46

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Solution

The fourth proportional to 27,117.64, 37,421.25 and 15,787.46 is: 21,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.64 : 37,421.25 = 15,787.46 : x
  2. Step 2: Convert to fraction form
    27,117.64/37,421.25 = 15,787.46/x
  3. Step 3: Cross multiply
    27,117.64x = 37,421.25 × 15,787.46
  4. Step 4: Simplify right side
    27,117.64x = 590,786,381.55
  5. Step 5: Solve for x
    x = 590,786,381.55/27,117.64
  6. Step 6: Final answer
    x = 21,786.06

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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.