Home / 28,434.24-42,670.40-9,966.24

Finding the Fourth Proportional to 28,434.24, 42,670.40 and 9,966.24

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Solution

The fourth proportional to 28,434.24, 42,670.40 and 9,966.24 is: 14,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.24 : 42,670.40 = 9,966.24 : x
  2. Step 2: Convert to fraction form
    28,434.24/42,670.40 = 9,966.24/x
  3. Step 3: Cross multiply
    28,434.24x = 42,670.40 × 9,966.24
  4. Step 4: Simplify right side
    28,434.24x = 425,263,447.30
  5. Step 5: Solve for x
    x = 425,263,447.30/28,434.24
  6. Step 6: Final answer
    x = 14,956.03

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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.