Home / 90,027.49-135,038.33-26,848.13

Finding the Fourth Proportional to 90,027.49, 135,038.33 and 26,848.13

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Solution

The fourth proportional to 90,027.49, 135,038.33 and 26,848.13 is: 40,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.49 : 135,038.33 = 26,848.13 : x
  2. Step 2: Convert to fraction form
    90,027.49/135,038.33 = 26,848.13/x
  3. Step 3: Cross multiply
    90,027.49x = 135,038.33 × 26,848.13
  4. Step 4: Simplify right side
    90,027.49x = 3,625,526,638.82
  5. Step 5: Solve for x
    x = 3,625,526,638.82/90,027.49
  6. Step 6: Final answer
    x = 40,271.33

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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.