Home / 28,870.86-39,842.28-16,934.52

Finding the Fourth Proportional to 28,870.86, 39,842.28 and 16,934.52

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Solution

The fourth proportional to 28,870.86, 39,842.28 and 16,934.52 is: 23,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.86 : 39,842.28 = 16,934.52 : x
  2. Step 2: Convert to fraction form
    28,870.86/39,842.28 = 16,934.52/x
  3. Step 3: Cross multiply
    28,870.86x = 39,842.28 × 16,934.52
  4. Step 4: Simplify right side
    28,870.86x = 674,709,887.51
  5. Step 5: Solve for x
    x = 674,709,887.51/28,870.86
  6. Step 6: Final answer
    x = 23,369.93

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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.