Home / 28,411.58-42,617.40-15,347.02

Finding the Fourth Proportional to 28,411.58, 42,617.40 and 15,347.02

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Solution

The fourth proportional to 28,411.58, 42,617.40 and 15,347.02 is: 23,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.58 : 42,617.40 = 15,347.02 : x
  2. Step 2: Convert to fraction form
    28,411.58/42,617.40 = 15,347.02/x
  3. Step 3: Cross multiply
    28,411.58x = 42,617.40 × 15,347.02
  4. Step 4: Simplify right side
    28,411.58x = 654,050,090.15
  5. Step 5: Solve for x
    x = 654,050,090.15/28,411.58
  6. Step 6: Final answer
    x = 23,020.55

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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.