Home / 28,270.08-42,393.51-10,501.92

Finding the Fourth Proportional to 28,270.08, 42,393.51 and 10,501.92

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Solution

The fourth proportional to 28,270.08, 42,393.51 and 10,501.92 is: 15,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.08 : 42,393.51 = 10,501.92 : x
  2. Step 2: Convert to fraction form
    28,270.08/42,393.51 = 10,501.92/x
  3. Step 3: Cross multiply
    28,270.08x = 42,393.51 × 10,501.92
  4. Step 4: Simplify right side
    28,270.08x = 445,213,250.54
  5. Step 5: Solve for x
    x = 445,213,250.54/28,270.08
  6. Step 6: Final answer
    x = 15,748.57

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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.