Home / 28,426.64-42,646.12-10,896.48

Finding the Fourth Proportional to 28,426.64, 42,646.12 and 10,896.48

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Solution

The fourth proportional to 28,426.64, 42,646.12 and 10,896.48 is: 16,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.64 : 42,646.12 = 10,896.48 : x
  2. Step 2: Convert to fraction form
    28,426.64/42,646.12 = 10,896.48/x
  3. Step 3: Cross multiply
    28,426.64x = 42,646.12 × 10,896.48
  4. Step 4: Simplify right side
    28,426.64x = 464,692,566.42
  5. Step 5: Solve for x
    x = 464,692,566.42/28,426.64
  6. Step 6: Final answer
    x = 16,347.08

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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.