Home / 21,888.11-32,831.89-10,038.53

Finding the Fourth Proportional to 21,888.11, 32,831.89 and 10,038.53

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Solution

The fourth proportional to 21,888.11, 32,831.89 and 10,038.53 is: 15,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.11 : 32,831.89 = 10,038.53 : x
  2. Step 2: Convert to fraction form
    21,888.11/32,831.89 = 10,038.53/x
  3. Step 3: Cross multiply
    21,888.11x = 32,831.89 × 10,038.53
  4. Step 4: Simplify right side
    21,888.11x = 329,583,969.71
  5. Step 5: Solve for x
    x = 329,583,969.71/21,888.11
  6. Step 6: Final answer
    x = 15,057.67

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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.