Home / 28,293.12-42,422.40-9,569.04

Finding the Fourth Proportional to 28,293.12, 42,422.40 and 9,569.04

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Solution

The fourth proportional to 28,293.12, 42,422.40 and 9,569.04 is: 14,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.12 : 42,422.40 = 9,569.04 : x
  2. Step 2: Convert to fraction form
    28,293.12/42,422.40 = 9,569.04/x
  3. Step 3: Cross multiply
    28,293.12x = 42,422.40 × 9,569.04
  4. Step 4: Simplify right side
    28,293.12x = 405,941,642.50
  5. Step 5: Solve for x
    x = 405,941,642.50/28,293.12
  6. Step 6: Final answer
    x = 14,347.72

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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.