Home / 28,538.02-42,807.03-15,473.13

Finding the Fourth Proportional to 28,538.02, 42,807.03 and 15,473.13

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Solution

The fourth proportional to 28,538.02, 42,807.03 and 15,473.13 is: 23,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.02 : 42,807.03 = 15,473.13 : x
  2. Step 2: Convert to fraction form
    28,538.02/42,807.03 = 15,473.13/x
  3. Step 3: Cross multiply
    28,538.02x = 42,807.03 × 15,473.13
  4. Step 4: Simplify right side
    28,538.02x = 662,358,740.10
  5. Step 5: Solve for x
    x = 662,358,740.10/28,538.02
  6. Step 6: Final answer
    x = 23,209.70

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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.