Home / 28,035.87-42,081.47-14,888.21

Finding the Fourth Proportional to 28,035.87, 42,081.47 and 14,888.21

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Solution

The fourth proportional to 28,035.87, 42,081.47 and 14,888.21 is: 22,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.87 : 42,081.47 = 14,888.21 : x
  2. Step 2: Convert to fraction form
    28,035.87/42,081.47 = 14,888.21/x
  3. Step 3: Cross multiply
    28,035.87x = 42,081.47 × 14,888.21
  4. Step 4: Simplify right side
    28,035.87x = 626,517,617.20
  5. Step 5: Solve for x
    x = 626,517,617.20/28,035.87
  6. Step 6: Final answer
    x = 22,347.00

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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.