Home / 28,534.55-42,798.59-11,002.91

Finding the Fourth Proportional to 28,534.55, 42,798.59 and 11,002.91

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Solution

The fourth proportional to 28,534.55, 42,798.59 and 11,002.91 is: 16,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.55 : 42,798.59 = 11,002.91 : x
  2. Step 2: Convert to fraction form
    28,534.55/42,798.59 = 11,002.91/x
  3. Step 3: Cross multiply
    28,534.55x = 42,798.59 × 11,002.91
  4. Step 4: Simplify right side
    28,534.55x = 470,908,978.88
  5. Step 5: Solve for x
    x = 470,908,978.88/28,534.55
  6. Step 6: Final answer
    x = 16,503.12

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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.