Home / 25,280.55-34,888.50-15,212.16

Finding the Fourth Proportional to 25,280.55, 34,888.50 and 15,212.16

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Solution

The fourth proportional to 25,280.55, 34,888.50 and 15,212.16 is: 20,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.55 : 34,888.50 = 15,212.16 : x
  2. Step 2: Convert to fraction form
    25,280.55/34,888.50 = 15,212.16/x
  3. Step 3: Cross multiply
    25,280.55x = 34,888.50 × 15,212.16
  4. Step 4: Simplify right side
    25,280.55x = 530,729,444.16
  5. Step 5: Solve for x
    x = 530,729,444.16/25,280.55
  6. Step 6: Final answer
    x = 20,993.59

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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.