Home / 28,920.93-39,898.27-16,963.50

Finding the Fourth Proportional to 28,920.93, 39,898.27 and 16,963.50

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Solution

The fourth proportional to 28,920.93, 39,898.27 and 16,963.50 is: 23,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920.93 : 39,898.27 = 16,963.50 : x
  2. Step 2: Convert to fraction form
    28,920.93/39,898.27 = 16,963.50/x
  3. Step 3: Cross multiply
    28,920.93x = 39,898.27 × 16,963.50
  4. Step 4: Simplify right side
    28,920.93x = 676,814,303.15
  5. Step 5: Solve for x
    x = 676,814,303.15/28,920.93
  6. Step 6: Final answer
    x = 23,402.23

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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.