Home / 25,459.87-35,133.03-15,382.35

Finding the Fourth Proportional to 25,459.87, 35,133.03 and 15,382.35

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Solution

The fourth proportional to 25,459.87, 35,133.03 and 15,382.35 is: 21,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.87 : 35,133.03 = 15,382.35 : x
  2. Step 2: Convert to fraction form
    25,459.87/35,133.03 = 15,382.35/x
  3. Step 3: Cross multiply
    25,459.87x = 35,133.03 × 15,382.35
  4. Step 4: Simplify right side
    25,459.87x = 540,428,564.02
  5. Step 5: Solve for x
    x = 540,428,564.02/25,459.87
  6. Step 6: Final answer
    x = 21,226.68

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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.