Home / 25,155.23-34,719.89-16,657.65

Finding the Fourth Proportional to 25,155.23, 34,719.89 and 16,657.65

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Solution

The fourth proportional to 25,155.23, 34,719.89 and 16,657.65 is: 22,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.23 : 34,719.89 = 16,657.65 : x
  2. Step 2: Convert to fraction form
    25,155.23/34,719.89 = 16,657.65/x
  3. Step 3: Cross multiply
    25,155.23x = 34,719.89 × 16,657.65
  4. Step 4: Simplify right side
    25,155.23x = 578,351,692.37
  5. Step 5: Solve for x
    x = 578,351,692.37/25,155.23
  6. Step 6: Final answer
    x = 22,991.31

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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.