Home / 19,477.80-26,877.78-10,981.26

Finding the Fourth Proportional to 19,477.80, 26,877.78 and 10,981.26

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Solution

The fourth proportional to 19,477.80, 26,877.78 and 10,981.26 is: 15,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.80 : 26,877.78 = 10,981.26 : x
  2. Step 2: Convert to fraction form
    19,477.80/26,877.78 = 10,981.26/x
  3. Step 3: Cross multiply
    19,477.80x = 26,877.78 × 10,981.26
  4. Step 4: Simplify right side
    19,477.80x = 295,151,890.40
  5. Step 5: Solve for x
    x = 295,151,890.40/19,477.80
  6. Step 6: Final answer
    x = 15,153.25

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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.