Home / 25,228.08-34,828.72-15,158.97

Finding the Fourth Proportional to 25,228.08, 34,828.72 and 15,158.97

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Solution

The fourth proportional to 25,228.08, 34,828.72 and 15,158.97 is: 20,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.08 : 34,828.72 = 15,158.97 : x
  2. Step 2: Convert to fraction form
    25,228.08/34,828.72 = 15,158.97/x
  3. Step 3: Cross multiply
    25,228.08x = 34,828.72 × 15,158.97
  4. Step 4: Simplify right side
    25,228.08x = 527,967,483.72
  5. Step 5: Solve for x
    x = 527,967,483.72/25,228.08
  6. Step 6: Final answer
    x = 20,927.77

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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.