Home / 28,068.32-38,717.28-16,730.26

Finding the Fourth Proportional to 28,068.32, 38,717.28 and 16,730.26

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Solution

The fourth proportional to 28,068.32, 38,717.28 and 16,730.26 is: 23,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.32 : 38,717.28 = 16,730.26 : x
  2. Step 2: Convert to fraction form
    28,068.32/38,717.28 = 16,730.26/x
  3. Step 3: Cross multiply
    28,068.32x = 38,717.28 × 16,730.26
  4. Step 4: Simplify right side
    28,068.32x = 647,750,160.89
  5. Step 5: Solve for x
    x = 647,750,160.89/28,068.32
  6. Step 6: Final answer
    x = 23,077.62

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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.