Home / 19,547.78-29,362.29-15,803.79

Finding the Fourth Proportional to 19,547.78, 29,362.29 and 15,803.79

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Solution

The fourth proportional to 19,547.78, 29,362.29 and 15,803.79 is: 23,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.78 : 29,362.29 = 15,803.79 : x
  2. Step 2: Convert to fraction form
    19,547.78/29,362.29 = 15,803.79/x
  3. Step 3: Cross multiply
    19,547.78x = 29,362.29 × 15,803.79
  4. Step 4: Simplify right side
    19,547.78x = 464,035,386.06
  5. Step 5: Solve for x
    x = 464,035,386.06/19,547.78
  6. Step 6: Final answer
    x = 23,738.53

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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.