Home / 28,060.65-38,723.91-15,313.93

Finding the Fourth Proportional to 28,060.65, 38,723.91 and 15,313.93

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Solution

The fourth proportional to 28,060.65, 38,723.91 and 15,313.93 is: 21,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.65 : 38,723.91 = 15,313.93 : x
  2. Step 2: Convert to fraction form
    28,060.65/38,723.91 = 15,313.93/x
  3. Step 3: Cross multiply
    28,060.65x = 38,723.91 × 15,313.93
  4. Step 4: Simplify right side
    28,060.65x = 593,015,247.07
  5. Step 5: Solve for x
    x = 593,015,247.07/28,060.65
  6. Step 6: Final answer
    x = 21,133.34

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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.