Home / 28,602.10-42,903.15-26,998.30

Finding the Fourth Proportional to 28,602.10, 42,903.15 and 26,998.30

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Solution

The fourth proportional to 28,602.10, 42,903.15 and 26,998.30 is: 40,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.10 : 42,903.15 = 26,998.30 : x
  2. Step 2: Convert to fraction form
    28,602.10/42,903.15 = 26,998.30/x
  3. Step 3: Cross multiply
    28,602.10x = 42,903.15 × 26,998.30
  4. Step 4: Simplify right side
    28,602.10x = 1,158,312,114.65
  5. Step 5: Solve for x
    x = 1,158,312,114.65/28,602.10
  6. Step 6: Final answer
    x = 40,497.45

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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.