Home / 28,574.02-39,425.16-16,630.30

Finding the Fourth Proportional to 28,574.02, 39,425.16 and 16,630.30

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Solution

The fourth proportional to 28,574.02, 39,425.16 and 16,630.30 is: 22,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.02 : 39,425.16 = 16,630.30 : x
  2. Step 2: Convert to fraction form
    28,574.02/39,425.16 = 16,630.30/x
  3. Step 3: Cross multiply
    28,574.02x = 39,425.16 × 16,630.30
  4. Step 4: Simplify right side
    28,574.02x = 655,652,238.35
  5. Step 5: Solve for x
    x = 655,652,238.35/28,574.02
  6. Step 6: Final answer
    x = 22,945.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.