Home / 28,886.55-43,300.66-15,711.63

Finding the Fourth Proportional to 28,886.55, 43,300.66 and 15,711.63

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Solution

The fourth proportional to 28,886.55, 43,300.66 and 15,711.63 is: 23,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.55 : 43,300.66 = 15,711.63 : x
  2. Step 2: Convert to fraction form
    28,886.55/43,300.66 = 15,711.63/x
  3. Step 3: Cross multiply
    28,886.55x = 43,300.66 × 15,711.63
  4. Step 4: Simplify right side
    28,886.55x = 680,323,948.68
  5. Step 5: Solve for x
    x = 680,323,948.68/28,886.55
  6. Step 6: Final answer
    x = 23,551.58

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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.