Home / 31,035.62-42,827.88-16,888.52

Finding the Fourth Proportional to 31,035.62, 42,827.88 and 16,888.52

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Solution

The fourth proportional to 31,035.62, 42,827.88 and 16,888.52 is: 23,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,035.62 : 42,827.88 = 16,888.52 : x
  2. Step 2: Convert to fraction form
    31,035.62/42,827.88 = 16,888.52/x
  3. Step 3: Cross multiply
    31,035.62x = 42,827.88 × 16,888.52
  4. Step 4: Simplify right side
    31,035.62x = 723,299,507.94
  5. Step 5: Solve for x
    x = 723,299,507.94/31,035.62
  6. Step 6: Final answer
    x = 23,305.46

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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.