Home / 25,688.40-35,449.28-14,357.94

Finding the Fourth Proportional to 25,688.40, 35,449.28 and 14,357.94

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Solution

The fourth proportional to 25,688.40, 35,449.28 and 14,357.94 is: 19,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.40 : 35,449.28 = 14,357.94 : x
  2. Step 2: Convert to fraction form
    25,688.40/35,449.28 = 14,357.94/x
  3. Step 3: Cross multiply
    25,688.40x = 35,449.28 × 14,357.94
  4. Step 4: Simplify right side
    25,688.40x = 508,978,563.49
  5. Step 5: Solve for x
    x = 508,978,563.49/25,688.40
  6. Step 6: Final answer
    x = 19,813.56

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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.