Home / 28,256.58-42,386.49-10,726.02

Finding the Fourth Proportional to 28,256.58, 42,386.49 and 10,726.02

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Solution

The fourth proportional to 28,256.58, 42,386.49 and 10,726.02 is: 16,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.58 : 42,386.49 = 10,726.02 : x
  2. Step 2: Convert to fraction form
    28,256.58/42,386.49 = 10,726.02/x
  3. Step 3: Cross multiply
    28,256.58x = 42,386.49 × 10,726.02
  4. Step 4: Simplify right side
    28,256.58x = 454,638,339.47
  5. Step 5: Solve for x
    x = 454,638,339.47/28,256.58
  6. Step 6: Final answer
    x = 16,089.64

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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.