Home / 28,114.80-42,176.34-10,588.74

Finding the Fourth Proportional to 28,114.80, 42,176.34 and 10,588.74

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Solution

The fourth proportional to 28,114.80, 42,176.34 and 10,588.74 is: 15,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.80 : 42,176.34 = 10,588.74 : x
  2. Step 2: Convert to fraction form
    28,114.80/42,176.34 = 10,588.74/x
  3. Step 3: Cross multiply
    28,114.80x = 42,176.34 × 10,588.74
  4. Step 4: Simplify right side
    28,114.80x = 446,594,298.41
  5. Step 5: Solve for x
    x = 446,594,298.41/28,114.80
  6. Step 6: Final answer
    x = 15,884.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.