Home / 28,411.70-42,617.55-15,970.10

Finding the Fourth Proportional to 28,411.70, 42,617.55 and 15,970.10

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Solution

The fourth proportional to 28,411.70, 42,617.55 and 15,970.10 is: 23,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.70 : 42,617.55 = 15,970.10 : x
  2. Step 2: Convert to fraction form
    28,411.70/42,617.55 = 15,970.10/x
  3. Step 3: Cross multiply
    28,411.70x = 42,617.55 × 15,970.10
  4. Step 4: Simplify right side
    28,411.70x = 680,606,535.26
  5. Step 5: Solve for x
    x = 680,606,535.26/28,411.70
  6. Step 6: Final answer
    x = 23,955.15

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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.