Home / 19,325.19-26,693.78-15,981.51

Finding the Fourth Proportional to 19,325.19, 26,693.78 and 15,981.51

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Solution

The fourth proportional to 19,325.19, 26,693.78 and 15,981.51 is: 22,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.19 : 26,693.78 = 15,981.51 : x
  2. Step 2: Convert to fraction form
    19,325.19/26,693.78 = 15,981.51/x
  3. Step 3: Cross multiply
    19,325.19x = 26,693.78 × 15,981.51
  4. Step 4: Simplify right side
    19,325.19x = 426,606,912.01
  5. Step 5: Solve for x
    x = 426,606,912.01/19,325.19
  6. Step 6: Final answer
    x = 22,075.17

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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.