Home / 89,627.36-134,424.72-26,434.40

Finding the Fourth Proportional to 89,627.36, 134,424.72 and 26,434.40

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Solution

The fourth proportional to 89,627.36, 134,424.72 and 26,434.40 is: 39,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.36 : 134,424.72 = 26,434.40 : x
  2. Step 2: Convert to fraction form
    89,627.36/134,424.72 = 26,434.40/x
  3. Step 3: Cross multiply
    89,627.36x = 134,424.72 × 26,434.40
  4. Step 4: Simplify right side
    89,627.36x = 3,553,436,818.37
  5. Step 5: Solve for x
    x = 3,553,436,818.37/89,627.36
  6. Step 6: Final answer
    x = 39,646.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.