Home / 28,688.12-42,952.38-14,617.82

Finding the Fourth Proportional to 28,688.12, 42,952.38 and 14,617.82

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Solution

The fourth proportional to 28,688.12, 42,952.38 and 14,617.82 is: 21,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.12 : 42,952.38 = 14,617.82 : x
  2. Step 2: Convert to fraction form
    28,688.12/42,952.38 = 14,617.82/x
  3. Step 3: Cross multiply
    28,688.12x = 42,952.38 × 14,617.82
  4. Step 4: Simplify right side
    28,688.12x = 627,869,970.37
  5. Step 5: Solve for x
    x = 627,869,970.37/28,688.12
  6. Step 6: Final answer
    x = 21,886.06

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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.