Home / 28,953.72-43,386.84-21,523.32

Finding the Fourth Proportional to 28,953.72, 43,386.84 and 21,523.32

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Solution

The fourth proportional to 28,953.72, 43,386.84 and 21,523.32 is: 32,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.72 : 43,386.84 = 21,523.32 : x
  2. Step 2: Convert to fraction form
    28,953.72/43,386.84 = 21,523.32/x
  3. Step 3: Cross multiply
    28,953.72x = 43,386.84 × 21,523.32
  4. Step 4: Simplify right side
    28,953.72x = 933,828,841.11
  5. Step 5: Solve for x
    x = 933,828,841.11/28,953.72
  6. Step 6: Final answer
    x = 32,252.47

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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.