Home / 25,393.86-35,047.80-14,789.79

Finding the Fourth Proportional to 25,393.86, 35,047.80 and 14,789.79

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Solution

The fourth proportional to 25,393.86, 35,047.80 and 14,789.79 is: 20,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.86 : 35,047.80 = 14,789.79 : x
  2. Step 2: Convert to fraction form
    25,393.86/35,047.80 = 14,789.79/x
  3. Step 3: Cross multiply
    25,393.86x = 35,047.80 × 14,789.79
  4. Step 4: Simplify right side
    25,393.86x = 518,349,601.96
  5. Step 5: Solve for x
    x = 518,349,601.96/25,393.86
  6. Step 6: Final answer
    x = 20,412.40

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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.