Home / 28,250.83-42,376.65-13,461.31

Finding the Fourth Proportional to 28,250.83, 42,376.65 and 13,461.31

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Solution

The fourth proportional to 28,250.83, 42,376.65 and 13,461.31 is: 20,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.83 : 42,376.65 = 13,461.31 : x
  2. Step 2: Convert to fraction form
    28,250.83/42,376.65 = 13,461.31/x
  3. Step 3: Cross multiply
    28,250.83x = 42,376.65 × 13,461.31
  4. Step 4: Simplify right side
    28,250.83x = 570,445,222.41
  5. Step 5: Solve for x
    x = 570,445,222.41/28,250.83
  6. Step 6: Final answer
    x = 20,192.16

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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.