Home / 23,154.80-31,931.70-16,823.30

Finding the Fourth Proportional to 23,154.80, 31,931.70 and 16,823.30

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Solution

The fourth proportional to 23,154.80, 31,931.70 and 16,823.30 is: 23,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.80 : 31,931.70 = 16,823.30 : x
  2. Step 2: Convert to fraction form
    23,154.80/31,931.70 = 16,823.30/x
  3. Step 3: Cross multiply
    23,154.80x = 31,931.70 × 16,823.30
  4. Step 4: Simplify right side
    23,154.80x = 537,196,568.61
  5. Step 5: Solve for x
    x = 537,196,568.61/23,154.80
  6. Step 6: Final answer
    x = 23,200.22

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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.