Home / 19,256.06-28,888.95-5,405.06

Finding the Fourth Proportional to 19,256.06, 28,888.95 and 5,405.06

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Solution

The fourth proportional to 19,256.06, 28,888.95 and 5,405.06 is: 8,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.06 : 28,888.95 = 5,405.06 : x
  2. Step 2: Convert to fraction form
    19,256.06/28,888.95 = 5,405.06/x
  3. Step 3: Cross multiply
    19,256.06x = 28,888.95 × 5,405.06
  4. Step 4: Simplify right side
    19,256.06x = 156,146,600.58
  5. Step 5: Solve for x
    x = 156,146,600.58/19,256.06
  6. Step 6: Final answer
    x = 8,108.96

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1.5x scale

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.