Home / 25,720.98-35,496.34-14,389.80

Finding the Fourth Proportional to 25,720.98, 35,496.34 and 14,389.80

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Solution

The fourth proportional to 25,720.98, 35,496.34 and 14,389.80 is: 19,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.98 : 35,496.34 = 14,389.80 : x
  2. Step 2: Convert to fraction form
    25,720.98/35,496.34 = 14,389.80/x
  3. Step 3: Cross multiply
    25,720.98x = 35,496.34 × 14,389.80
  4. Step 4: Simplify right side
    25,720.98x = 510,785,330.47
  5. Step 5: Solve for x
    x = 510,785,330.47/25,720.98
  6. Step 6: Final answer
    x = 19,858.70

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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.