Home / 28,597.81-39,463.96-15,852.18

Finding the Fourth Proportional to 28,597.81, 39,463.96 and 15,852.18

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Solution

The fourth proportional to 28,597.81, 39,463.96 and 15,852.18 is: 21,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.81 : 39,463.96 = 15,852.18 : x
  2. Step 2: Convert to fraction form
    28,597.81/39,463.96 = 15,852.18/x
  3. Step 3: Cross multiply
    28,597.81x = 39,463.96 × 15,852.18
  4. Step 4: Simplify right side
    28,597.81x = 625,589,797.43
  5. Step 5: Solve for x
    x = 625,589,797.43/28,597.81
  6. Step 6: Final answer
    x = 21,875.44

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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.