Home / 25,534.31-35,222.96-15,322.70

Finding the Fourth Proportional to 25,534.31, 35,222.96 and 15,322.70

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Solution

The fourth proportional to 25,534.31, 35,222.96 and 15,322.70 is: 21,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,534.31 : 35,222.96 = 15,322.70 : x
  2. Step 2: Convert to fraction form
    25,534.31/35,222.96 = 15,322.70/x
  3. Step 3: Cross multiply
    25,534.31x = 35,222.96 × 15,322.70
  4. Step 4: Simplify right side
    25,534.31x = 539,710,849.19
  5. Step 5: Solve for x
    x = 539,710,849.19/25,534.31
  6. Step 6: Final answer
    x = 21,136.69

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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.