Home / 28,534.72-42,718.80-16,652.08

Finding the Fourth Proportional to 28,534.72, 42,718.80 and 16,652.08

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Solution

The fourth proportional to 28,534.72, 42,718.80 and 16,652.08 is: 24,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.72 : 42,718.80 = 16,652.08 : x
  2. Step 2: Convert to fraction form
    28,534.72/42,718.80 = 16,652.08/x
  3. Step 3: Cross multiply
    28,534.72x = 42,718.80 × 16,652.08
  4. Step 4: Simplify right side
    28,534.72x = 711,356,875.10
  5. Step 5: Solve for x
    x = 711,356,875.10/28,534.72
  6. Step 6: Final answer
    x = 24,929.52

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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.