Home / 28,464.12-42,710.76-15,329.16

Finding the Fourth Proportional to 28,464.12, 42,710.76 and 15,329.16

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Solution

The fourth proportional to 28,464.12, 42,710.76 and 15,329.16 is: 23,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.12 : 42,710.76 = 15,329.16 : x
  2. Step 2: Convert to fraction form
    28,464.12/42,710.76 = 15,329.16/x
  3. Step 3: Cross multiply
    28,464.12x = 42,710.76 × 15,329.16
  4. Step 4: Simplify right side
    28,464.12x = 654,720,073.76
  5. Step 5: Solve for x
    x = 654,720,073.76/28,464.12
  6. Step 6: Final answer
    x = 23,001.59

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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.