Home / 52,455.56-72,389-28,582.16

Finding the Fourth Proportional to 52,455.56, 72,389 and 28,582.16

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Solution

The fourth proportional to 52,455.56, 72,389 and 28,582.16 is: 39,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.56 : 72,389 = 28,582.16 : x
  2. Step 2: Convert to fraction form
    52,455.56/72,389 = 28,582.16/x
  3. Step 3: Cross multiply
    52,455.56x = 72,389 × 28,582.16
  4. Step 4: Simplify right side
    52,455.56x = 2,069,033,980.24
  5. Step 5: Solve for x
    x = 2,069,033,980.24/52,455.56
  6. Step 6: Final answer
    x = 39,443.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.