Home / 28,024.34-38,673.60-15,449.10

Finding the Fourth Proportional to 28,024.34, 38,673.60 and 15,449.10

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Solution

The fourth proportional to 28,024.34, 38,673.60 and 15,449.10 is: 21,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.34 : 38,673.60 = 15,449.10 : x
  2. Step 2: Convert to fraction form
    28,024.34/38,673.60 = 15,449.10/x
  3. Step 3: Cross multiply
    28,024.34x = 38,673.60 × 15,449.10
  4. Step 4: Simplify right side
    28,024.34x = 597,472,313.76
  5. Step 5: Solve for x
    x = 597,472,313.76/28,024.34
  6. Step 6: Final answer
    x = 21,319.76

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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.