Home / 27,615.84-38,113.29-15,683.01

Finding the Fourth Proportional to 27,615.84, 38,113.29 and 15,683.01

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Solution

The fourth proportional to 27,615.84, 38,113.29 and 15,683.01 is: 21,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.84 : 38,113.29 = 15,683.01 : x
  2. Step 2: Convert to fraction form
    27,615.84/38,113.29 = 15,683.01/x
  3. Step 3: Cross multiply
    27,615.84x = 38,113.29 × 15,683.01
  4. Step 4: Simplify right side
    27,615.84x = 597,731,108.20
  5. Step 5: Solve for x
    x = 597,731,108.20/27,615.84
  6. Step 6: Final answer
    x = 21,644.50

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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.