Home / 32,795.70-45,264.80-20,856.74

Finding the Fourth Proportional to 32,795.70, 45,264.80 and 20,856.74

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Solution

The fourth proportional to 32,795.70, 45,264.80 and 20,856.74 is: 28,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,795.70 : 45,264.80 = 20,856.74 : x
  2. Step 2: Convert to fraction form
    32,795.70/45,264.80 = 20,856.74/x
  3. Step 3: Cross multiply
    32,795.70x = 45,264.80 × 20,856.74
  4. Step 4: Simplify right side
    32,795.70x = 944,075,834.14
  5. Step 5: Solve for x
    x = 944,075,834.14/32,795.70
  6. Step 6: Final answer
    x = 28,786.57

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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.