Home / 28,615.16-42,806-23,074.76

Finding the Fourth Proportional to 28,615.16, 42,806 and 23,074.76

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Solution

The fourth proportional to 28,615.16, 42,806 and 23,074.76 is: 34,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.16 : 42,806 = 23,074.76 : x
  2. Step 2: Convert to fraction form
    28,615.16/42,806 = 23,074.76/x
  3. Step 3: Cross multiply
    28,615.16x = 42,806 × 23,074.76
  4. Step 4: Simplify right side
    28,615.16x = 987,738,176.56
  5. Step 5: Solve for x
    x = 987,738,176.56/28,615.16
  6. Step 6: Final answer
    x = 34,518.00

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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.