Home / 28,923.40-39,902.51-18,848.17

Finding the Fourth Proportional to 28,923.40, 39,902.51 and 18,848.17

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Solution

The fourth proportional to 28,923.40, 39,902.51 and 18,848.17 is: 26,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.40 : 39,902.51 = 18,848.17 : x
  2. Step 2: Convert to fraction form
    28,923.40/39,902.51 = 18,848.17/x
  3. Step 3: Cross multiply
    28,923.40x = 39,902.51 × 18,848.17
  4. Step 4: Simplify right side
    28,923.40x = 752,089,239.27
  5. Step 5: Solve for x
    x = 752,089,239.27/28,923.40
  6. Step 6: Final answer
    x = 26,002.80

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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.