Home / 28,329.74-39,096.01-15,583.88

Finding the Fourth Proportional to 28,329.74, 39,096.01 and 15,583.88

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Solution

The fourth proportional to 28,329.74, 39,096.01 and 15,583.88 is: 21,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.74 : 39,096.01 = 15,583.88 : x
  2. Step 2: Convert to fraction form
    28,329.74/39,096.01 = 15,583.88/x
  3. Step 3: Cross multiply
    28,329.74x = 39,096.01 × 15,583.88
  4. Step 4: Simplify right side
    28,329.74x = 609,267,254.92
  5. Step 5: Solve for x
    x = 609,267,254.92/28,329.74
  6. Step 6: Final answer
    x = 21,506.28

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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.