Home / 28,567.02-42,840.48-8,570.54

Finding the Fourth Proportional to 28,567.02, 42,840.48 and 8,570.54

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Solution

The fourth proportional to 28,567.02, 42,840.48 and 8,570.54 is: 12,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.02 : 42,840.48 = 8,570.54 : x
  2. Step 2: Convert to fraction form
    28,567.02/42,840.48 = 8,570.54/x
  3. Step 3: Cross multiply
    28,567.02x = 42,840.48 × 8,570.54
  4. Step 4: Simplify right side
    28,567.02x = 367,166,047.46
  5. Step 5: Solve for x
    x = 367,166,047.46/28,567.02
  6. Step 6: Final answer
    x = 12,852.79

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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.