Home / 28,009.74-38,653.45-15,262.93

Finding the Fourth Proportional to 28,009.74, 38,653.45 and 15,262.93

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Solution

The fourth proportional to 28,009.74, 38,653.45 and 15,262.93 is: 21,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.74 : 38,653.45 = 15,262.93 : x
  2. Step 2: Convert to fraction form
    28,009.74/38,653.45 = 15,262.93/x
  3. Step 3: Cross multiply
    28,009.74x = 38,653.45 × 15,262.93
  4. Step 4: Simplify right side
    28,009.74x = 589,964,708.34
  5. Step 5: Solve for x
    x = 589,964,708.34/28,009.74
  6. Step 6: Final answer
    x = 21,062.84

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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.