Home / 28,009.96-38,653.24-15,263.25

Finding the Fourth Proportional to 28,009.96, 38,653.24 and 15,263.25

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Solution

The fourth proportional to 28,009.96, 38,653.24 and 15,263.25 is: 21,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.96 : 38,653.24 = 15,263.25 : x
  2. Step 2: Convert to fraction form
    28,009.96/38,653.24 = 15,263.25/x
  3. Step 3: Cross multiply
    28,009.96x = 38,653.24 × 15,263.25
  4. Step 4: Simplify right side
    28,009.96x = 589,974,128.37
  5. Step 5: Solve for x
    x = 589,974,128.37/28,009.96
  6. Step 6: Final answer
    x = 21,063.01

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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.