Home / 26,815.52-37,005.18-15,487.40

Finding the Fourth Proportional to 26,815.52, 37,005.18 and 15,487.40

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Solution

The fourth proportional to 26,815.52, 37,005.18 and 15,487.40 is: 21,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.52 : 37,005.18 = 15,487.40 : x
  2. Step 2: Convert to fraction form
    26,815.52/37,005.18 = 15,487.40/x
  3. Step 3: Cross multiply
    26,815.52x = 37,005.18 × 15,487.40
  4. Step 4: Simplify right side
    26,815.52x = 573,114,024.73
  5. Step 5: Solve for x
    x = 573,114,024.73/26,815.52
  6. Step 6: Final answer
    x = 21,372.47

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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.