Home / 28,535.20-42,802.80-25,473.40

Finding the Fourth Proportional to 28,535.20, 42,802.80 and 25,473.40

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Solution

The fourth proportional to 28,535.20, 42,802.80 and 25,473.40 is: 38,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.20 : 42,802.80 = 25,473.40 : x
  2. Step 2: Convert to fraction form
    28,535.20/42,802.80 = 25,473.40/x
  3. Step 3: Cross multiply
    28,535.20x = 42,802.80 × 25,473.40
  4. Step 4: Simplify right side
    28,535.20x = 1,090,332,845.52
  5. Step 5: Solve for x
    x = 1,090,332,845.52/28,535.20
  6. Step 6: Final answer
    x = 38,210.10

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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.