Home / 28,421.02-42,653.52-22,887.94

Finding the Fourth Proportional to 28,421.02, 42,653.52 and 22,887.94

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Solution

The fourth proportional to 28,421.02, 42,653.52 and 22,887.94 is: 34,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.02 : 42,653.52 = 22,887.94 : x
  2. Step 2: Convert to fraction form
    28,421.02/42,653.52 = 22,887.94/x
  3. Step 3: Cross multiply
    28,421.02x = 42,653.52 × 22,887.94
  4. Step 4: Simplify right side
    28,421.02x = 976,251,206.55
  5. Step 5: Solve for x
    x = 976,251,206.55/28,421.02
  6. Step 6: Final answer
    x = 34,349.62

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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.