Home / 28,707.23-39,611.18-15,960.06

Finding the Fourth Proportional to 28,707.23, 39,611.18 and 15,960.06

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Solution

The fourth proportional to 28,707.23, 39,611.18 and 15,960.06 is: 22,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.23 : 39,611.18 = 15,960.06 : x
  2. Step 2: Convert to fraction form
    28,707.23/39,611.18 = 15,960.06/x
  3. Step 3: Cross multiply
    28,707.23x = 39,611.18 × 15,960.06
  4. Step 4: Simplify right side
    28,707.23x = 632,196,849.37
  5. Step 5: Solve for x
    x = 632,196,849.37/28,707.23
  6. Step 6: Final answer
    x = 22,022.22

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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.