Home / 25,109.16-34,640.76-14,496.75

Finding the Fourth Proportional to 25,109.16, 34,640.76 and 14,496.75

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Solution

The fourth proportional to 25,109.16, 34,640.76 and 14,496.75 is: 19,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.16 : 34,640.76 = 14,496.75 : x
  2. Step 2: Convert to fraction form
    25,109.16/34,640.76 = 14,496.75/x
  3. Step 3: Cross multiply
    25,109.16x = 34,640.76 × 14,496.75
  4. Step 4: Simplify right side
    25,109.16x = 502,178,437.53
  5. Step 5: Solve for x
    x = 502,178,437.53/25,109.16
  6. Step 6: Final answer
    x = 19,999.81

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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.