Home / 27,089.34-37,386.39-15,155.70

Finding the Fourth Proportional to 27,089.34, 37,386.39 and 15,155.70

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Solution

The fourth proportional to 27,089.34, 37,386.39 and 15,155.70 is: 20,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.34 : 37,386.39 = 15,155.70 : x
  2. Step 2: Convert to fraction form
    27,089.34/37,386.39 = 15,155.70/x
  3. Step 3: Cross multiply
    27,089.34x = 37,386.39 × 15,155.70
  4. Step 4: Simplify right side
    27,089.34x = 566,616,910.92
  5. Step 5: Solve for x
    x = 566,616,910.92/27,089.34
  6. Step 6: Final answer
    x = 20,916.60

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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.