Home / 53,276.95-79,901.55-15,828.22

Finding the Fourth Proportional to 53,276.95, 79,901.55 and 15,828.22

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Solution

The fourth proportional to 53,276.95, 79,901.55 and 15,828.22 is: 23,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.95 : 79,901.55 = 15,828.22 : x
  2. Step 2: Convert to fraction form
    53,276.95/79,901.55 = 15,828.22/x
  3. Step 3: Cross multiply
    53,276.95x = 79,901.55 × 15,828.22
  4. Step 4: Simplify right side
    53,276.95x = 1,264,699,311.74
  5. Step 5: Solve for x
    x = 1,264,699,311.74/53,276.95
  6. Step 6: Final answer
    x = 23,738.21

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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.