Home / 38,285.28-52,833.12-21,518.16

Finding the Fourth Proportional to 38,285.28, 52,833.12 and 21,518.16

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Solution

The fourth proportional to 38,285.28, 52,833.12 and 21,518.16 is: 29,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.28 : 52,833.12 = 21,518.16 : x
  2. Step 2: Convert to fraction form
    38,285.28/52,833.12 = 21,518.16/x
  3. Step 3: Cross multiply
    38,285.28x = 52,833.12 × 21,518.16
  4. Step 4: Simplify right side
    38,285.28x = 1,136,871,529.46
  5. Step 5: Solve for x
    x = 1,136,871,529.46/38,285.28
  6. Step 6: Final answer
    x = 29,694.74

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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.