Home / 25,497.81-35,189.82-15,426.68

Finding the Fourth Proportional to 25,497.81, 35,189.82 and 15,426.68

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Solution

The fourth proportional to 25,497.81, 35,189.82 and 15,426.68 is: 21,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.81 : 35,189.82 = 15,426.68 : x
  2. Step 2: Convert to fraction form
    25,497.81/35,189.82 = 15,426.68/x
  3. Step 3: Cross multiply
    25,497.81x = 35,189.82 × 15,426.68
  4. Step 4: Simplify right side
    25,497.81x = 542,861,916.45
  5. Step 5: Solve for x
    x = 542,861,916.45/25,497.81
  6. Step 6: Final answer
    x = 21,290.53

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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.