Home / 28,307.12-42,457.44-7,532.24

Finding the Fourth Proportional to 28,307.12, 42,457.44 and 7,532.24

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Solution

The fourth proportional to 28,307.12, 42,457.44 and 7,532.24 is: 11,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.12 : 42,457.44 = 7,532.24 : x
  2. Step 2: Convert to fraction form
    28,307.12/42,457.44 = 7,532.24/x
  3. Step 3: Cross multiply
    28,307.12x = 42,457.44 × 7,532.24
  4. Step 4: Simplify right side
    28,307.12x = 319,799,627.87
  5. Step 5: Solve for x
    x = 319,799,627.87/28,307.12
  6. Step 6: Final answer
    x = 11,297.50

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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.