Home / 28,419.51-42,641.55-15,256.50

Finding the Fourth Proportional to 28,419.51, 42,641.55 and 15,256.50

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Solution

The fourth proportional to 28,419.51, 42,641.55 and 15,256.50 is: 22,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419.51 : 42,641.55 = 15,256.50 : x
  2. Step 2: Convert to fraction form
    28,419.51/42,641.55 = 15,256.50/x
  3. Step 3: Cross multiply
    28,419.51x = 42,641.55 × 15,256.50
  4. Step 4: Simplify right side
    28,419.51x = 650,560,807.58
  5. Step 5: Solve for x
    x = 650,560,807.58/28,419.51
  6. Step 6: Final answer
    x = 22,891.34

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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.