Home / 28,717.31-43,075.97-13,124

Finding the Fourth Proportional to 28,717.31, 43,075.97 and 13,124

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Solution

The fourth proportional to 28,717.31, 43,075.97 and 13,124 is: 19,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.31 : 43,075.97 = 13,124 : x
  2. Step 2: Convert to fraction form
    28,717.31/43,075.97 = 13,124/x
  3. Step 3: Cross multiply
    28,717.31x = 43,075.97 × 13,124
  4. Step 4: Simplify right side
    28,717.31x = 565,329,030.28
  5. Step 5: Solve for x
    x = 565,329,030.28/28,717.31
  6. Step 6: Final answer
    x = 19,686.00

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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.