Home / 19,943.88-29,883.02-15,810.45

Finding the Fourth Proportional to 19,943.88, 29,883.02 and 15,810.45

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Solution

The fourth proportional to 19,943.88, 29,883.02 and 15,810.45 is: 23,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.88 : 29,883.02 = 15,810.45 : x
  2. Step 2: Convert to fraction form
    19,943.88/29,883.02 = 15,810.45/x
  3. Step 3: Cross multiply
    19,943.88x = 29,883.02 × 15,810.45
  4. Step 4: Simplify right side
    19,943.88x = 472,463,914.51
  5. Step 5: Solve for x
    x = 472,463,914.51/19,943.88
  6. Step 6: Final answer
    x = 23,689.67

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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.