Home / 21,669.56-29,895.08-14,598.28

Finding the Fourth Proportional to 21,669.56, 29,895.08 and 14,598.28

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Solution

The fourth proportional to 21,669.56, 29,895.08 and 14,598.28 is: 20,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.56 : 29,895.08 = 14,598.28 : x
  2. Step 2: Convert to fraction form
    21,669.56/29,895.08 = 14,598.28/x
  3. Step 3: Cross multiply
    21,669.56x = 29,895.08 × 14,598.28
  4. Step 4: Simplify right side
    21,669.56x = 436,416,748.46
  5. Step 5: Solve for x
    x = 436,416,748.46/21,669.56
  6. Step 6: Final answer
    x = 20,139.62

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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.