Home / 21,359.84-29,434.58-16,329.74

Finding the Fourth Proportional to 21,359.84, 29,434.58 and 16,329.74

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Solution

The fourth proportional to 21,359.84, 29,434.58 and 16,329.74 is: 22,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.84 : 29,434.58 = 16,329.74 : x
  2. Step 2: Convert to fraction form
    21,359.84/29,434.58 = 16,329.74/x
  3. Step 3: Cross multiply
    21,359.84x = 29,434.58 × 16,329.74
  4. Step 4: Simplify right side
    21,359.84x = 480,659,038.41
  5. Step 5: Solve for x
    x = 480,659,038.41/21,359.84
  6. Step 6: Final answer
    x = 22,502.93

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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.