Home / 28,462.03-39,275.57-15,713.15

Finding the Fourth Proportional to 28,462.03, 39,275.57 and 15,713.15

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Solution

The fourth proportional to 28,462.03, 39,275.57 and 15,713.15 is: 21,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.03 : 39,275.57 = 15,713.15 : x
  2. Step 2: Convert to fraction form
    28,462.03/39,275.57 = 15,713.15/x
  3. Step 3: Cross multiply
    28,462.03x = 39,275.57 × 15,713.15
  4. Step 4: Simplify right side
    28,462.03x = 617,143,060.22
  5. Step 5: Solve for x
    x = 617,143,060.22/28,462.03
  6. Step 6: Final answer
    x = 21,683.03

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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.