Home / 28,030.47-38,682.01-15,283.65

Finding the Fourth Proportional to 28,030.47, 38,682.01 and 15,283.65

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Solution

The fourth proportional to 28,030.47, 38,682.01 and 15,283.65 is: 21,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.47 : 38,682.01 = 15,283.65 : x
  2. Step 2: Convert to fraction form
    28,030.47/38,682.01 = 15,283.65/x
  3. Step 3: Cross multiply
    28,030.47x = 38,682.01 × 15,283.65
  4. Step 4: Simplify right side
    28,030.47x = 591,202,302.14
  5. Step 5: Solve for x
    x = 591,202,302.14/28,030.47
  6. Step 6: Final answer
    x = 21,091.42

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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.