Home / 26,616.90-39,925.35-12,572.31

Finding the Fourth Proportional to 26,616.90, 39,925.35 and 12,572.31

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Solution

The fourth proportional to 26,616.90, 39,925.35 and 12,572.31 is: 18,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.90 : 39,925.35 = 12,572.31 : x
  2. Step 2: Convert to fraction form
    26,616.90/39,925.35 = 12,572.31/x
  3. Step 3: Cross multiply
    26,616.90x = 39,925.35 × 12,572.31
  4. Step 4: Simplify right side
    26,616.90x = 501,953,877.06
  5. Step 5: Solve for x
    x = 501,953,877.06/26,616.90
  6. Step 6: Final answer
    x = 18,858.47

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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.