Home / 28,929.35-43,395.95-11,411.48

Finding the Fourth Proportional to 28,929.35, 43,395.95 and 11,411.48

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Solution

The fourth proportional to 28,929.35, 43,395.95 and 11,411.48 is: 17,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.35 : 43,395.95 = 11,411.48 : x
  2. Step 2: Convert to fraction form
    28,929.35/43,395.95 = 11,411.48/x
  3. Step 3: Cross multiply
    28,929.35x = 43,395.95 × 11,411.48
  4. Step 4: Simplify right side
    28,929.35x = 495,212,152.52
  5. Step 5: Solve for x
    x = 495,212,152.52/28,929.35
  6. Step 6: Final answer
    x = 17,117.98

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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.