Home / 27,038.88-40,572.90-13,887.72

Finding the Fourth Proportional to 27,038.88, 40,572.90 and 13,887.72

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Solution

The fourth proportional to 27,038.88, 40,572.90 and 13,887.72 is: 20,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.88 : 40,572.90 = 13,887.72 : x
  2. Step 2: Convert to fraction form
    27,038.88/40,572.90 = 13,887.72/x
  3. Step 3: Cross multiply
    27,038.88x = 40,572.90 × 13,887.72
  4. Step 4: Simplify right side
    27,038.88x = 563,465,074.79
  5. Step 5: Solve for x
    x = 563,465,074.79/27,038.88
  6. Step 6: Final answer
    x = 20,839.07

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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.