Home / 27,925.37-38,545.99-17,880.87

Finding the Fourth Proportional to 27,925.37, 38,545.99 and 17,880.87

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Solution

The fourth proportional to 27,925.37, 38,545.99 and 17,880.87 is: 24,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.37 : 38,545.99 = 17,880.87 : x
  2. Step 2: Convert to fraction form
    27,925.37/38,545.99 = 17,880.87/x
  3. Step 3: Cross multiply
    27,925.37x = 38,545.99 × 17,880.87
  4. Step 4: Simplify right side
    27,925.37x = 689,235,791.51
  5. Step 5: Solve for x
    x = 689,235,791.51/27,925.37
  6. Step 6: Final answer
    x = 24,681.35

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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.