Home / 38,985.23-58,429.28-17,902.86

Finding the Fourth Proportional to 38,985.23, 58,429.28 and 17,902.86

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Solution

The fourth proportional to 38,985.23, 58,429.28 and 17,902.86 is: 26,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.23 : 58,429.28 = 17,902.86 : x
  2. Step 2: Convert to fraction form
    38,985.23/58,429.28 = 17,902.86/x
  3. Step 3: Cross multiply
    38,985.23x = 58,429.28 × 17,902.86
  4. Step 4: Simplify right side
    38,985.23x = 1,046,051,045.39
  5. Step 5: Solve for x
    x = 1,046,051,045.39/38,985.23
  6. Step 6: Final answer
    x = 26,831.98

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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.