Home / 28,280.02-42,417.28-14,234.46

Finding the Fourth Proportional to 28,280.02, 42,417.28 and 14,234.46

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Solution

The fourth proportional to 28,280.02, 42,417.28 and 14,234.46 is: 21,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.02 : 42,417.28 = 14,234.46 : x
  2. Step 2: Convert to fraction form
    28,280.02/42,417.28 = 14,234.46/x
  3. Step 3: Cross multiply
    28,280.02x = 42,417.28 × 14,234.46
  4. Step 4: Simplify right side
    28,280.02x = 603,787,075.47
  5. Step 5: Solve for x
    x = 603,787,075.47/28,280.02
  6. Step 6: Final answer
    x = 21,350.31

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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.