Home / 25,939.51-38,921.57-15,430.25

Finding the Fourth Proportional to 25,939.51, 38,921.57 and 15,430.25

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Solution

The fourth proportional to 25,939.51, 38,921.57 and 15,430.25 is: 23,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.51 : 38,921.57 = 15,430.25 : x
  2. Step 2: Convert to fraction form
    25,939.51/38,921.57 = 15,430.25/x
  3. Step 3: Cross multiply
    25,939.51x = 38,921.57 × 15,430.25
  4. Step 4: Simplify right side
    25,939.51x = 600,569,283.73
  5. Step 5: Solve for x
    x = 600,569,283.73/25,939.51
  6. Step 6: Final answer
    x = 23,152.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.