Home / 25,155.96-34,718.24-15,089.94

Finding the Fourth Proportional to 25,155.96, 34,718.24 and 15,089.94

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Solution

The fourth proportional to 25,155.96, 34,718.24 and 15,089.94 is: 20,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.96 : 34,718.24 = 15,089.94 : x
  2. Step 2: Convert to fraction form
    25,155.96/34,718.24 = 15,089.94/x
  3. Step 3: Cross multiply
    25,155.96x = 34,718.24 × 15,089.94
  4. Step 4: Simplify right side
    25,155.96x = 523,896,158.51
  5. Step 5: Solve for x
    x = 523,896,158.51/25,155.96
  6. Step 6: Final answer
    x = 20,825.93

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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.