Home / 28,667.90-42,965.40-25,533.20

Finding the Fourth Proportional to 28,667.90, 42,965.40 and 25,533.20

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Solution

The fourth proportional to 28,667.90, 42,965.40 and 25,533.20 is: 38,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.90 : 42,965.40 = 25,533.20 : x
  2. Step 2: Convert to fraction form
    28,667.90/42,965.40 = 25,533.20/x
  3. Step 3: Cross multiply
    28,667.90x = 42,965.40 × 25,533.20
  4. Step 4: Simplify right side
    28,667.90x = 1,097,044,151.28
  5. Step 5: Solve for x
    x = 1,097,044,151.28/28,667.90
  6. Step 6: Final answer
    x = 38,267.34

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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.