Home / 28,544.02-42,824.40-12,752.80

Finding the Fourth Proportional to 28,544.02, 42,824.40 and 12,752.80

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Solution

The fourth proportional to 28,544.02, 42,824.40 and 12,752.80 is: 19,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.02 : 42,824.40 = 12,752.80 : x
  2. Step 2: Convert to fraction form
    28,544.02/42,824.40 = 12,752.80/x
  3. Step 3: Cross multiply
    28,544.02x = 42,824.40 × 12,752.80
  4. Step 4: Simplify right side
    28,544.02x = 546,131,008.32
  5. Step 5: Solve for x
    x = 546,131,008.32/28,544.02
  6. Step 6: Final answer
    x = 19,132.94

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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.