Home / 30,872.93-42,604.98-16,726.28

Finding the Fourth Proportional to 30,872.93, 42,604.98 and 16,726.28

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Solution

The fourth proportional to 30,872.93, 42,604.98 and 16,726.28 is: 23,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.93 : 42,604.98 = 16,726.28 : x
  2. Step 2: Convert to fraction form
    30,872.93/42,604.98 = 16,726.28/x
  3. Step 3: Cross multiply
    30,872.93x = 42,604.98 × 16,726.28
  4. Step 4: Simplify right side
    30,872.93x = 712,622,931.39
  5. Step 5: Solve for x
    x = 712,622,931.39/30,872.93
  6. Step 6: Final answer
    x = 23,082.45

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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.