Home / 25,519.74-38,133.21-19,482.41

Finding the Fourth Proportional to 25,519.74, 38,133.21 and 19,482.41

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Solution

The fourth proportional to 25,519.74, 38,133.21 and 19,482.41 is: 29,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.74 : 38,133.21 = 19,482.41 : x
  2. Step 2: Convert to fraction form
    25,519.74/38,133.21 = 19,482.41/x
  3. Step 3: Cross multiply
    25,519.74x = 38,133.21 × 19,482.41
  4. Step 4: Simplify right side
    25,519.74x = 742,926,831.84
  5. Step 5: Solve for x
    x = 742,926,831.84/25,519.74
  6. Step 6: Final answer
    x = 29,111.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.