Home / 28,041.90-42,053.75-9,316.91

Finding the Fourth Proportional to 28,041.90, 42,053.75 and 9,316.91

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Solution

The fourth proportional to 28,041.90, 42,053.75 and 9,316.91 is: 13,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.90 : 42,053.75 = 9,316.91 : x
  2. Step 2: Convert to fraction form
    28,041.90/42,053.75 = 9,316.91/x
  3. Step 3: Cross multiply
    28,041.90x = 42,053.75 × 9,316.91
  4. Step 4: Simplify right side
    28,041.90x = 391,810,924.85
  5. Step 5: Solve for x
    x = 391,810,924.85/28,041.90
  6. Step 6: Final answer
    x = 13,972.34

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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.