Home / 25,389.40-35,037.39-13,904.25

Finding the Fourth Proportional to 25,389.40, 35,037.39 and 13,904.25

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Solution

The fourth proportional to 25,389.40, 35,037.39 and 13,904.25 is: 19,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.40 : 35,037.39 = 13,904.25 : x
  2. Step 2: Convert to fraction form
    25,389.40/35,037.39 = 13,904.25/x
  3. Step 3: Cross multiply
    25,389.40x = 35,037.39 × 13,904.25
  4. Step 4: Simplify right side
    25,389.40x = 487,168,717.50
  5. Step 5: Solve for x
    x = 487,168,717.50/25,389.40
  6. Step 6: Final answer
    x = 19,187.88

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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.