Home / 22,515.20-31,036.84-14,948.16

Finding the Fourth Proportional to 22,515.20, 31,036.84 and 14,948.16

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Solution

The fourth proportional to 22,515.20, 31,036.84 and 14,948.16 is: 20,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.20 : 31,036.84 = 14,948.16 : x
  2. Step 2: Convert to fraction form
    22,515.20/31,036.84 = 14,948.16/x
  3. Step 3: Cross multiply
    22,515.20x = 31,036.84 × 14,948.16
  4. Step 4: Simplify right side
    22,515.20x = 463,943,650.21
  5. Step 5: Solve for x
    x = 463,943,650.21/22,515.20
  6. Step 6: Final answer
    x = 20,605.80

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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.