Home / 35,512.47-48,988.76-28,805.67

Finding the Fourth Proportional to 35,512.47, 48,988.76 and 28,805.67

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Solution

The fourth proportional to 35,512.47, 48,988.76 and 28,805.67 is: 39,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.47 : 48,988.76 = 28,805.67 : x
  2. Step 2: Convert to fraction form
    35,512.47/48,988.76 = 28,805.67/x
  3. Step 3: Cross multiply
    35,512.47x = 48,988.76 × 28,805.67
  4. Step 4: Simplify right side
    35,512.47x = 1,411,153,910.24
  5. Step 5: Solve for x
    x = 1,411,153,910.24/35,512.47
  6. Step 6: Final answer
    x = 39,736.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.