Home / 26,280.65-39,398.49-11,478.71

Finding the Fourth Proportional to 26,280.65, 39,398.49 and 11,478.71

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Solution

The fourth proportional to 26,280.65, 39,398.49 and 11,478.71 is: 17,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.65 : 39,398.49 = 11,478.71 : x
  2. Step 2: Convert to fraction form
    26,280.65/39,398.49 = 11,478.71/x
  3. Step 3: Cross multiply
    26,280.65x = 39,398.49 × 11,478.71
  4. Step 4: Simplify right side
    26,280.65x = 452,243,644.16
  5. Step 5: Solve for x
    x = 452,243,644.16/26,280.65
  6. Step 6: Final answer
    x = 17,208.24

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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.