Home / 28,465.08-42,664.77-15,313.92

Finding the Fourth Proportional to 28,465.08, 42,664.77 and 15,313.92

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Solution

The fourth proportional to 28,465.08, 42,664.77 and 15,313.92 is: 22,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.08 : 42,664.77 = 15,313.92 : x
  2. Step 2: Convert to fraction form
    28,465.08/42,664.77 = 15,313.92/x
  3. Step 3: Cross multiply
    28,465.08x = 42,664.77 × 15,313.92
  4. Step 4: Simplify right side
    28,465.08x = 653,364,874.60
  5. Step 5: Solve for x
    x = 653,364,874.60/28,465.08
  6. Step 6: Final answer
    x = 22,953.21

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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.