Home / 29,639.64-40,902.13-16,210.85

Finding the Fourth Proportional to 29,639.64, 40,902.13 and 16,210.85

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Solution

The fourth proportional to 29,639.64, 40,902.13 and 16,210.85 is: 22,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.64 : 40,902.13 = 16,210.85 : x
  2. Step 2: Convert to fraction form
    29,639.64/40,902.13 = 16,210.85/x
  3. Step 3: Cross multiply
    29,639.64x = 40,902.13 × 16,210.85
  4. Step 4: Simplify right side
    29,639.64x = 663,058,213.06
  5. Step 5: Solve for x
    x = 663,058,213.06/29,639.64
  6. Step 6: Final answer
    x = 22,370.66

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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.