Home / 30,889.27-42,595.34-26,427.79

Finding the Fourth Proportional to 30,889.27, 42,595.34 and 26,427.79

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Solution

The fourth proportional to 30,889.27, 42,595.34 and 26,427.79 is: 36,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.27 : 42,595.34 = 26,427.79 : x
  2. Step 2: Convert to fraction form
    30,889.27/42,595.34 = 26,427.79/x
  3. Step 3: Cross multiply
    30,889.27x = 42,595.34 × 26,427.79
  4. Step 4: Simplify right side
    30,889.27x = 1,125,700,700.50
  5. Step 5: Solve for x
    x = 1,125,700,700.50/30,889.27
  6. Step 6: Final answer
    x = 36,443.10

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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.