Home / 27,903.19-38,506.29-15,156.27

Finding the Fourth Proportional to 27,903.19, 38,506.29 and 15,156.27

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Solution

The fourth proportional to 27,903.19, 38,506.29 and 15,156.27 is: 20,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.19 : 38,506.29 = 15,156.27 : x
  2. Step 2: Convert to fraction form
    27,903.19/38,506.29 = 15,156.27/x
  3. Step 3: Cross multiply
    27,903.19x = 38,506.29 × 15,156.27
  4. Step 4: Simplify right side
    27,903.19x = 583,611,727.94
  5. Step 5: Solve for x
    x = 583,611,727.94/27,903.19
  6. Step 6: Final answer
    x = 20,915.59

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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.