Home / 28,079.84-42,124.32-10,551.08

Finding the Fourth Proportional to 28,079.84, 42,124.32 and 10,551.08

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Solution

The fourth proportional to 28,079.84, 42,124.32 and 10,551.08 is: 15,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.84 : 42,124.32 = 10,551.08 : x
  2. Step 2: Convert to fraction form
    28,079.84/42,124.32 = 10,551.08/x
  3. Step 3: Cross multiply
    28,079.84x = 42,124.32 × 10,551.08
  4. Step 4: Simplify right side
    28,079.84x = 444,457,070.27
  5. Step 5: Solve for x
    x = 444,457,070.27/28,079.84
  6. Step 6: Final answer
    x = 15,828.33

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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.