Home / 28,644.02-42,948.76-12,846.18

Finding the Fourth Proportional to 28,644.02, 42,948.76 and 12,846.18

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Solution

The fourth proportional to 28,644.02, 42,948.76 and 12,846.18 is: 19,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.02 : 42,948.76 = 12,846.18 : x
  2. Step 2: Convert to fraction form
    28,644.02/42,948.76 = 12,846.18/x
  3. Step 3: Cross multiply
    28,644.02x = 42,948.76 × 12,846.18
  4. Step 4: Simplify right side
    28,644.02x = 551,727,501.74
  5. Step 5: Solve for x
    x = 551,727,501.74/28,644.02
  6. Step 6: Final answer
    x = 19,261.52

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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.