Home / 28,831.51-43,266.50-10,111.53

Finding the Fourth Proportional to 28,831.51, 43,266.50 and 10,111.53

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Solution

The fourth proportional to 28,831.51, 43,266.50 and 10,111.53 is: 15,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.51 : 43,266.50 = 10,111.53 : x
  2. Step 2: Convert to fraction form
    28,831.51/43,266.50 = 10,111.53/x
  3. Step 3: Cross multiply
    28,831.51x = 43,266.50 × 10,111.53
  4. Step 4: Simplify right side
    28,831.51x = 437,490,512.75
  5. Step 5: Solve for x
    x = 437,490,512.75/28,831.51
  6. Step 6: Final answer
    x = 15,174.04

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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.