Home / 28,428.03-42,685.79-25,337.07

Finding the Fourth Proportional to 28,428.03, 42,685.79 and 25,337.07

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Solution

The fourth proportional to 28,428.03, 42,685.79 and 25,337.07 is: 38,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428.03 : 42,685.79 = 25,337.07 : x
  2. Step 2: Convert to fraction form
    28,428.03/42,685.79 = 25,337.07/x
  3. Step 3: Cross multiply
    28,428.03x = 42,685.79 × 25,337.07
  4. Step 4: Simplify right side
    28,428.03x = 1,081,532,722.55
  5. Step 5: Solve for x
    x = 1,081,532,722.55/28,428.03
  6. Step 6: Final answer
    x = 38,044.59

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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.