Home / 20,482.28-28,192.14-14,503.57

Finding the Fourth Proportional to 20,482.28, 28,192.14 and 14,503.57

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Solution

The fourth proportional to 20,482.28, 28,192.14 and 14,503.57 is: 19,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.28 : 28,192.14 = 14,503.57 : x
  2. Step 2: Convert to fraction form
    20,482.28/28,192.14 = 14,503.57/x
  3. Step 3: Cross multiply
    20,482.28x = 28,192.14 × 14,503.57
  4. Step 4: Simplify right side
    20,482.28x = 408,886,624.71
  5. Step 5: Solve for x
    x = 408,886,624.71/20,482.28
  6. Step 6: Final answer
    x = 19,962.94

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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.