Home / 26,270.08-39,421.54-10,687.72

Finding the Fourth Proportional to 26,270.08, 39,421.54 and 10,687.72

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Solution

The fourth proportional to 26,270.08, 39,421.54 and 10,687.72 is: 16,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.08 : 39,421.54 = 10,687.72 : x
  2. Step 2: Convert to fraction form
    26,270.08/39,421.54 = 10,687.72/x
  3. Step 3: Cross multiply
    26,270.08x = 39,421.54 × 10,687.72
  4. Step 4: Simplify right side
    26,270.08x = 421,326,381.49
  5. Step 5: Solve for x
    x = 421,326,381.49/26,270.08
  6. Step 6: Final answer
    x = 16,038.26

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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.