Home / 28,264.10-42,397.07-14,216.47

Finding the Fourth Proportional to 28,264.10, 42,397.07 and 14,216.47

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Solution

The fourth proportional to 28,264.10, 42,397.07 and 14,216.47 is: 21,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.10 : 42,397.07 = 14,216.47 : x
  2. Step 2: Convert to fraction form
    28,264.10/42,397.07 = 14,216.47/x
  3. Step 3: Cross multiply
    28,264.10x = 42,397.07 × 14,216.47
  4. Step 4: Simplify right side
    28,264.10x = 602,736,496.67
  5. Step 5: Solve for x
    x = 602,736,496.67/28,264.10
  6. Step 6: Final answer
    x = 21,325.16

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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.