Home / 28,653.12-42,957-13,062.24

Finding the Fourth Proportional to 28,653.12, 42,957 and 13,062.24

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Solution

The fourth proportional to 28,653.12, 42,957 and 13,062.24 is: 19,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.12 : 42,957 = 13,062.24 : x
  2. Step 2: Convert to fraction form
    28,653.12/42,957 = 13,062.24/x
  3. Step 3: Cross multiply
    28,653.12x = 42,957 × 13,062.24
  4. Step 4: Simplify right side
    28,653.12x = 561,114,643.68
  5. Step 5: Solve for x
    x = 561,114,643.68/28,653.12
  6. Step 6: Final answer
    x = 19,583.02

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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.