Home / 28,543.48-42,804.57-9,818.22

Finding the Fourth Proportional to 28,543.48, 42,804.57 and 9,818.22

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Solution

The fourth proportional to 28,543.48, 42,804.57 and 9,818.22 is: 14,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.48 : 42,804.57 = 9,818.22 : x
  2. Step 2: Convert to fraction form
    28,543.48/42,804.57 = 9,818.22/x
  3. Step 3: Cross multiply
    28,543.48x = 42,804.57 × 9,818.22
  4. Step 4: Simplify right side
    28,543.48x = 420,264,685.27
  5. Step 5: Solve for x
    x = 420,264,685.27/28,543.48
  6. Step 6: Final answer
    x = 14,723.67

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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.