Home / 28,317.50-42,417.93-16,602.47

Finding the Fourth Proportional to 28,317.50, 42,417.93 and 16,602.47

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Solution

The fourth proportional to 28,317.50, 42,417.93 and 16,602.47 is: 24,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.50 : 42,417.93 = 16,602.47 : x
  2. Step 2: Convert to fraction form
    28,317.50/42,417.93 = 16,602.47/x
  3. Step 3: Cross multiply
    28,317.50x = 42,417.93 × 16,602.47
  4. Step 4: Simplify right side
    28,317.50x = 704,242,326.14
  5. Step 5: Solve for x
    x = 704,242,326.14/28,317.50
  6. Step 6: Final answer
    x = 24,869.51

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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.