Home / 26,805.10-36,985.50-15,474.40

Finding the Fourth Proportional to 26,805.10, 36,985.50 and 15,474.40

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Solution

The fourth proportional to 26,805.10, 36,985.50 and 15,474.40 is: 21,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.10 : 36,985.50 = 15,474.40 : x
  2. Step 2: Convert to fraction form
    26,805.10/36,985.50 = 15,474.40/x
  3. Step 3: Cross multiply
    26,805.10x = 36,985.50 × 15,474.40
  4. Step 4: Simplify right side
    26,805.10x = 572,328,421.20
  5. Step 5: Solve for x
    x = 572,328,421.20/26,805.10
  6. Step 6: Final answer
    x = 21,351.47

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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.