Home / 28,532.09-42,774.95-11,904.51

Finding the Fourth Proportional to 28,532.09, 42,774.95 and 11,904.51

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Solution

The fourth proportional to 28,532.09, 42,774.95 and 11,904.51 is: 17,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.09 : 42,774.95 = 11,904.51 : x
  2. Step 2: Convert to fraction form
    28,532.09/42,774.95 = 11,904.51/x
  3. Step 3: Cross multiply
    28,532.09x = 42,774.95 × 11,904.51
  4. Step 4: Simplify right side
    28,532.09x = 509,214,920.91
  5. Step 5: Solve for x
    x = 509,214,920.91/28,532.09
  6. Step 6: Final answer
    x = 17,847.09

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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.