Home / 25,315.14-37,915.29-20,300.07

Finding the Fourth Proportional to 25,315.14, 37,915.29 and 20,300.07

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Solution

The fourth proportional to 25,315.14, 37,915.29 and 20,300.07 is: 30,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.14 : 37,915.29 = 20,300.07 : x
  2. Step 2: Convert to fraction form
    25,315.14/37,915.29 = 20,300.07/x
  3. Step 3: Cross multiply
    25,315.14x = 37,915.29 × 20,300.07
  4. Step 4: Simplify right side
    25,315.14x = 769,683,041.07
  5. Step 5: Solve for x
    x = 769,683,041.07/25,315.14
  6. Step 6: Final answer
    x = 30,404.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.