Home / 28,543.07-42,814.80-7,482.94

Finding the Fourth Proportional to 28,543.07, 42,814.80 and 7,482.94

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Solution

The fourth proportional to 28,543.07, 42,814.80 and 7,482.94 is: 11,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.07 : 42,814.80 = 7,482.94 : x
  2. Step 2: Convert to fraction form
    28,543.07/42,814.80 = 7,482.94/x
  3. Step 3: Cross multiply
    28,543.07x = 42,814.80 × 7,482.94
  4. Step 4: Simplify right side
    28,543.07x = 320,380,472.48
  5. Step 5: Solve for x
    x = 320,380,472.48/28,543.07
  6. Step 6: Final answer
    x = 11,224.46

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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.