Home / 19,125.45-28,559.40-15,622.45

Finding the Fourth Proportional to 19,125.45, 28,559.40 and 15,622.45

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Solution

The fourth proportional to 19,125.45, 28,559.40 and 15,622.45 is: 23,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.45 : 28,559.40 = 15,622.45 : x
  2. Step 2: Convert to fraction form
    19,125.45/28,559.40 = 15,622.45/x
  3. Step 3: Cross multiply
    19,125.45x = 28,559.40 × 15,622.45
  4. Step 4: Simplify right side
    19,125.45x = 446,167,720.42
  5. Step 5: Solve for x
    x = 446,167,720.42/19,125.45
  6. Step 6: Final answer
    x = 23,328.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.