Home / 28,501.04-42,749.40-10,020.08

Finding the Fourth Proportional to 28,501.04, 42,749.40 and 10,020.08

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Solution

The fourth proportional to 28,501.04, 42,749.40 and 10,020.08 is: 15,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.04 : 42,749.40 = 10,020.08 : x
  2. Step 2: Convert to fraction form
    28,501.04/42,749.40 = 10,020.08/x
  3. Step 3: Cross multiply
    28,501.04x = 42,749.40 × 10,020.08
  4. Step 4: Simplify right side
    28,501.04x = 428,352,407.95
  5. Step 5: Solve for x
    x = 428,352,407.95/28,501.04
  6. Step 6: Final answer
    x = 15,029.36

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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.